Zootaxa 4375 (2): 287–295 ISSN 1175-5326 (print edition) Article ZOOTAXA http://www.mapress.com/j/zt/ Copyright © 2018 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4375.2.9 http://zoobank.org/urn:lsid:zoobank.org:pub:2E7920B3-A4DE-4C8D-99A3-891237A9156A Cryptochrysa Freitas & Penny, a generic homonym, replaced by Titanochrysa Sosa & Freitas (Neuroptera: Chrysopidae) CATHERINE A. TAUBER1,4, FRANCISCO SOSA2 & ATILANO CONTRERAS-RAMOS3 1Department of Entomology, Cornell University, Ithaca, New York, USA 14853 and Department of Entomology, University of Califor- nia, Davis, California, USA 95616. 2Universidad Centroccidental “Lisandro Alvarado”, Museo Entomológico “José Manuel Osorio” (MJMO), Barquisimeto, Lara, Ven- ezuela. Current address: Universidade Federal Rural da Amazônia, Campus de Capitão Poço, PA, Brazil. E-mail: fransodu73@hot- mail.com 3Universidad Nacional Autónoma de México, Instituto de Biología, Departamento de Zoología, México, 04510 DF. E-mail: acontre- [email protected] 4Corresponding author. E-mail: [email protected] Abstract The green lacewing genus name Cryptochrysa Freitas & Penny 2001 is identified as a junior homonym of Cryptochrysa Hampson 1926 (Lepidoptera: Noctuidae). Moreover, Titanochrysa Sosa & Freitas 2012 is determined to be an available junior synonym of Cryptochrysa Freitas & Penny. Thus, Titanochrysa becomes the substitute name for the preoccupied generic name. Here, we also provide (i) new information and images for Titanochrysa chloros (Freitas & Penny) comb. nov., the only species ever included in the chrysopid genus Cryptochrysa, (ii) a clarified set of diagnostic features for the reconstituted genus Titanochrysa, and (iii) a key and images for identifying the six described Titanochrysa species. Key words: Neuroptera, Chrysopidae Resumen El género Cryptochrysa Freitas & Penny 2001 se identifica como un homónimo junior de Cryptochrysa Hampson 1926 (Lepidoptera: Noctuidae). También, Titanochrysa Sosa & Freitas 2012 se determina como sinónimo junior disponible de Cryptochrysa Freitas & Penny. Así, Titanochrysa se convierte en el nombre sustituto del género preocupado. Además, se aporta (i) nueva información e imágenes para Titanochrysa chloros (Freitas & Penny) comb. nov., la única especie incluida originalmente en Cryptochrysa, (ii) un conjunto revisado de características diagnósticas para el género Titanochrysa, y (iii) una clave e imágenes para identificar las seis especies descritas en el género Titanochrysa. Introduction The generic name Cryptochrysa was found to occur in both Noctuidae (Lepidoptera) and Chrysopidae (Neuroptera). The chrysopid name, which was proposed by Freitas and Penny (2000: 165) for a monotypic genus of green lacewings from Brazil, is the junior homonym and thus in need of replacement. By original designation, Cryptochrysa chloros Freitas & Penny, 2001, is its type species. As we describe below, we also identified C. chloros as congeneric with species in the genus Titanochrysa Sosa & Freitas 2012, thus rendering Titanochrysa as a synonym of Cryptochrysa Freitas & Penny 2001. In accordance with the Principle of Priority (Article 23.3.5), the name Titanochrysa is available as the substitute name for the homonym. In addition to the nomenclatural changes above, here we provide (i) new information and images for Accepted by B. Price: 26 Oct. 2017; published: 24 Jan. 2018 287 Licensed under a Creative Commons Attribution License http://creativecommons.org/licenses/by/3.0 Titanochrysa chloros (Freitas & Penny) comb. nov., (ii) a clarified set of diagnostic features for the genus Titanochrysa, (iii) a catalog of Titanochrysa species, and (iv) a key for identifying all described Titanochrysa species. As a result of the findings here, the number of valid Neotropical genera in the chrysopid tribe Chrysopini is reduced to nine (Ceraeochrysa Adams, Chrysoperla Steinmann, Chrysopodes Navás, Furcochrysa Freitas & Penny, Meleoma Fitch, Parachrysopiella Brooks & Barnard, Plesiochrysa Adams, Titanochrysa Sosa and Freitas, and Ungla Navás). Materials and methods Our report is based largely on two field-collected specimens of T. chloros (the holotype from Itiquira, Mato Grosso, Brazil (SFC) and a male collected in Choroni, Aragua, Venezuela (MJMO), as well as six lab-reared specimens. The lab-reared specimens originated from specimens collected at the type locality; the culture had been maintained in the laboratory of Sergio de Freitas (now deceased) for over four generations. All the specimens mentioned here were examined and imaged by FS. We use the following abbreviations for collections: CAS—California Academy of Sciences, Golden Gate Park, San Francisco, California, USA INBio—Instituto Nacional de Biodiversidad, Santo Domingo de Heredia, Costa Rica MCZ—Museum of Comparative Zoology, Harvard University, Cambridge, Massachusetts, USA MJMO—Museo Entomológico José Manuel Osorio, Universidad Centroccidental “Lisandro Alvarado”, Lara, Venezuela MZUSP—Museu de Zoologia, Universidade de São Paulo, São Paulo, Brazil SFC—Sergio de Freitas Collection, Departamento de Fitossanidade, Universidade Estadual Paulista “Julio de Mesquita Filho” Campus de Jaboticabal, São Paulo, Brazil SMPM—Science Museum, University of Minnesota, St. Paul, Minnesota, USA ZMB—Museum für Naturkunde Berlin, Germany ZMUH—Zoologisches Institut und Zoologisches Museum, Universität von Hamburg, Hamburg, Germany Diagnostic features of the newly constituted genus Titanochrysa Based on our recent studies, here we conclude that C. chloros, the sole species in Cryptochrysa, is congeneric with the four species that currently comprise Titanochrysa. The features of C. chloros that led us to this conclusion are described and illustrated below. For images and descriptions of the species previously assigned to Titanochrysa, see Sosa & Freitas (2012) and Tauber et al. (2012). Male terminalia. The most prominent structural features that support the synonymy of Titanochrysa and Cryptochrysa occur in the terminal segments of the male abdomen (Figs 1C, 3A, 3B, 4A–4E). Specifically, males of both groups share: (i) abdomen long and slender, with sternites S8 and S9 fused (= S8+9), but well demarcated, (ii) S9 especially well sclerotized, elongate, and shallow (lateral view), (iii) tergite T9 with dorsal apodeme prominent, straight or only slightly convex, and unbranched distally, (iv) S8+9 with ventral apodeme also relatively straight, extending along the dorsal margin of S8+9, and (v) dorsal and ventral apodemes meeting basally at the intersection of S8 and S9, but well proximal to the distal margin of T8. Also, S3–S8 are usually with microtholi (absent from T. circumfusa). Note: Freitas & Penny (2000: 165) stated that the elongated S8+9 of T. chloros (as Cryptochrysa chloros) was partially fused with S7, a characteristic not reported previously for any chrysopid. A careful re-examination of this feature on the T. chloros specimens indicated that S8 and S9 are fused (= S8+9), and that S8+9 is elongated, as reported; however there is no evidence of fusion between S7 and S8+9. Male genitalia. Titanochrysa chloros shares the suite of male genital features that characterize Titanochrysa species [compare Figs 1D–1F, 3C–3F, 4G–4I here with those published earlier by Sosa & Freitas (2012) and Tauber et al. (2012)]: (i) gonarcus lightly sclerotized, U-shaped, with narrow bridge; (ii) arcessus short, wide, with 288 · Zootaxa 4375 (2) © 2018 Magnolia Press TAUBER ET AL. a trilobate apex consisting of a mesal beak flanked by a pair of lateral lobes; (iii) gonapsis substantial, flat, approximately one-half length of S9; (iv) gonosaccus with long gonosetae generally on prominent papillae; (v) gonocornua absent or greatly reduced [see (v) in paragraph below]; and (vi) tignum, parameres, entoprocessus, and spinellae absent. FIGURE 1. Cryptochrysa chloros Freitas & Penny holotype (male), Mato Grosso, Brazil. A. Head, frontal; B. Head and thorax, lateral; C. Terminalia, lateral; D. Gonarcal complex, dorsal; E. Gonarcal complex, lateral; F. Apex of arcessus, lateral; G. Labels. With one exception, the structure of the gonarcus [# (i) above], T. chloros has its own modifications on each of the above traits: # (ii) The T. chloros arcessus appears to lack the striations that typify most Titanochrysa species (see Sosa & Freitas 2012); it shares the absence of this feature with T. simpliciala (see Tauber et al. 2012). # (iii) The T. chloros gonapsis has the typical Titanochrysa size and shape, and one edge is serrated as in T. annotaria, T. ferreirai, and T. simpliciala. However, the T. chloros gonapsis has a sharply acute tip (Fig 3E, 4I); thus the structure appears knife-shaped, rather than spoon-shaped as in other Titanochrysa species. Also, at the base of the T. chloros gonapsis is a tuft of setae (Figs 3E); this feature is unreported for other species in the genus. CRYPTOCHRYSA, A GENERIC HOMONYM Zootaxa 4375 (2) © 2018 Magnolia Press · 289 # (iv) In addition to the gonosaccus bearing long gonosetae on papillae (as in other Titanochrysa species), the membrane above the T. chloros gonosaccus bears patches of clavate papillae (Fig. 3C, 3D, 4G, 4H). We suspect that these papillae may be modified gonosetae. This feature appears to be unique to T. chloros. # (v) In T. chloros the gonocornua may not be completely absent like they are in other Titanochrysa species. There are small, weakly sclerotized, flat structures on the surface of the T. chloros arcessus immediately in front of the gonarcal bridge (the “gc” in Fig. 3C), at the location where gonocornua usually occur. These structures could be reduced gonocornua; their homology needs exploration. Female genitalia. The T. chloros female genitalia include a simple spermathecal complex (Figs 3G–3J) that is similar to that of other Titanochrysa species. There is a pillbox-shaped, invaginated spermatheca, double-coiled spermathecal duct, and unremarkable subgenitale. These features are also shared with many chrysopid genera (e.g., Chrysoperla, Ungla). FIGURE 2. Titanochrysa chloros (Freitas & Penny); specimens: laboratory-reared from females collected in Mato Grosso, Brazil. A–B. Head and thorax, dorsal and lateral (male); C–D. Head, lateral and frontal (female); E. Mandible, dorsal; F. Habitus, lateral (female). 290 · Zootaxa 4375 (2) © 2018 Magnolia Press TAUBER ET AL. FIGURE 3. Titanochrysa chloros (Freitas & Penny); specimens: laboratory-reared from females collected in Mato Grosso, Brazil. A, B. Male terminalia, lateral; C. Gonarcal complex, lateral; D. Gonarcal complex, ventral; E. Gonapsis, lateral; F. Gonapsis, dorsal G. Female terminalia, lateral (Note round callus cerci.); H–I. Spermatheca, lateral and ventral; J. Apex of spermathecal duct. Abbreviations: ap-gs, lateral apodemes of gonarcus; arc, arcessus; cc, callus cerci; gc, gonocornua; gps, gonapsis; gst, gonosetae; llb, lateral lobe; mt, microtrichiae; sp, spermatheca; spd, spermathecal duct; S8+9, fused eighth and ninth sternites; tip, distal end of arcessus; tuft, tuft of setae attached to base of gonapsis; v, velum. External features. Titanochrysa chloros resembles other congeners in size and general appearance. But several features are noteworthy. All previously recognized Titanochrysa species (males and females) were reported to have a prominent dark red, brown, or black stripe on the lateral margin of the scape and pedicel (Sosa & Freitas 2012, Tauber et al. 2012). However, in T. chloros the scapes are unmarked; rather, they are greatly enlarged (Figs 1A, 1B, 2A–2D). Thus, our newly modified notion of the genus Titanochrysa includes a broader range of interspecific variation in the scapes than previously recognized (markings or enlargement). CRYPTOCHRYSA, A GENERIC HOMONYM Zootaxa 4375 (2) © 2018 Magnolia Press · 291 FIGURE 4. Titanochrysa chloros (Freitas & Penny); specimen from Aragua, Venezuela. Male abdomen and genitalia. A. Segments A3–A9, lateral; B. Segments A6–A9, lateral; C–D. Surface of S7, S8, with dense microtholi; E. Surface of S9, without microtholi; F. Callus cerci (oval); G. Gonarcal complex, ventral; H. Arcessus and distal end of gonarcus, ventrolateral; I. Gonapsis, lateral. Abbreviations: gst, gonosetae; llb, lateral lobes; p, papillae bordering gonosaccus; S3, S7, third, seventh sternite; S8+9, fused eighth and ninth sternites; tuft, tuft of elongate setae; T3, T7, T8, numbered tergites; T9+ect, fused ninth tergite and ectoproct. 292 · Zootaxa 4375 (2) © 2018 Magnolia Press TAUBER ET AL. Based on the Titanochrysa species that were described originally, the genus was characterized as having wings with a broad costal area (Sosa & Freitas 2012). Later T. simpliciala was described as having wings with a narrow costal area (Tauber et al. 2012). Now, with the addition of the narrow-winged T. chloros, it is clear that the Titanochrysa costal area typically varies from quite narrow as in T. chloros and T. simpliciala to somewhat wider in T. circumfusa and T. annotaria. Titanochrysa chloros was described as having a pair of dense tufts of setae in the buccal cavity behind the mandibles (Freitas & Penny 2000: 165, as Cryptochrysa). Indeed, this feature was proposed as typical of Cryptochrysa. We were unable to confirm the report of these setae in the specimens that we studied. Given our relatively small sample size, this character is in need of further study. Sexual dimorphism. For the most part, the male and female specimens of T. chloros that we studied have similar features; other than the presence of abdominal microtholi in the male, the only external structures with possible sexual dimorphism that we observed are: (i) the shape of the callus cerci and (ii) the amount of enlargement of the scapes. In the males the callus cerci is ovate (Fig. 3B), whereas in the females it is round (Fig. 3G). Although the scapes are distinctly enlarged in both males and females, in the males (Figs 2A, 2B), the enlargement is considerably more prominent than in the females (Figs 2C, 2D). In considering these features, it is important to keep in mind that our sample of T. chloros was very restricted—our two field-collected specimens were both males, no field-collected females were available; the six lab-reared specimens were of both sexes. Larval features. Significant features distinguish the larvae of T. trespuntensis from those of species in other Neotropical genera of chrysopids (Tauber et al. 2012). It would be useful to rear and describe the larvae of T. chloros for comparison. Catalog of Titanochrysa species Titanochrysa Sosa & Freitas, 2012 Type species. Chrysopa circumfusa Burmeister, 1839, by original designation (Sosa & Freitas 2012: 2). Synonymy. Cryptochrysa Freitas & Penny, 2001; type species Cryptochrysa chloros Freitas & Penny, 2001, by original designation; preoccupied by Cryptochrysa Hampson 1926: 109 (Lepidoptera: Noctuidae; type species Hypogramma auripennis Schaus, by original designation). syn. nov. Known distribution: Central America (Costa Rica, Panama) and South America (Argentina, Bolivia, Brazil, Colombia, Suriname, Venezuela). Titanochrysa annotaria (Banks, 1946) Chrysopa annotaria Banks, 1945 [1946]: 152. Lectotype, designated by Tauber et al. 2012: 17; “Boquete, Chiriqui Province, Panama, 10 May (Fairchild)”; depository: MCZ; images and combination by Tauber et al. 2012: 17. Ceraeochrysa pseudovaricosa Penny, 1998: 62. Holotype, by original designation; depository: INBio, paratypes: CAS; redescription, images by Sosa & Freitas 2012: 7, Tauber et al. 2012: 20; Titanochrysa pseudovaricosa (Penny), combination by Sosa & Freitas 2012: 7; synonymy by Tauber et al. 2012: 17. Known distribution: Costa Rica (Puntarenas), Panama (Chiriqui). Titanochrysa chloros (Freitas & Penny, 2001), comb. nov. Cryptochrysa chloros Freitas & Penny, 2000 [2001]: 165. Holotype, by original designation; “BRASIL: MT [Mato Grosso]: Itiquira, 7 September 1999, Freitas, S. (1 ♂)”; depository indicated in the original description: MZUSP; current location: SFC; examined and imaged by FS (Fig. 1). Known distribution: Brazil (Mato Grosso), Venezuela (Aragua). CRYPTOCHRYSA, A GENERIC HOMONYM Zootaxa 4375 (2) © 2018 Magnolia Press · 293 Titanochrysa circumfusa (Burmeister, 1839) Chrysopa circumfusa Burmeister, 1839: 980. Lectotype, designated by Adams 1985: 7; “Aus Brasilien, von Herrn Thoren in Hamburg.”; depository ZMB; combination by Sosa & Feitas 2012: 3; images and notes by Tauber et al. 2012: 20. Cintameva circumfusa (Burmeister, 1839). Chrysopodes (Chrysopodes) circumfusus (Burmeister, 1839). Chrysopa nigripalpis Banks 1910: 153. Lectotype, designated by Tauber et al. 2012: 22; depository: MCZ; images and synonymy by Tauber et al. 2012: 20, 24. Chrysopa burmeisteri Navás, 1929: 858. Lectotype; depository: ZMUH, probably destroyed; synonomy by Banks 1944: 10. Known distribution: Brazil (Espírito Santo, Minas Gerais, Rio Grande do Sul), Bolivia (Cochabamba), Colombia (Tolima), Suriname (Paramaribo), Venezuela (Lara, Yaracuy). Titanochrysa ferreirai Sosa & Freitas, 2012 Titanochrysa ferreirai Sosa & Freitas, 2012: 10. Holotype, by original designation; “Brazil. Minas Gerais. Tres Pontas [21°25’S / 45°30’W, 900 m], 8.viii.2009, Ferreira C. S Leg.”; depository designated in the original description: MZUSP; current temporary location: APTA Ribeirao Preto, SP, Brazil. Known distribution: Brazil (Minas Gerais, São Paulo), Venezuela (Aragua). Titanochrysa simpliciala Tauber, 2012 Titanochrysa simpliciala Tauber et al. 2012: 12. Holotype, by original designation; “COSTA RICA: Heredia, Quebrada Amistad, 1.8 km (road) NW Porosail, 10.097°N, 84.119°W. 8.ii.1992, el. 1920 m, Holzenthal, Muñoz, Kjer”; depository: SMPM. Known distribution: Costa Rica (Heredia). Titanochrysa trespuntensis Sosa & Freitas, 2012 Titanochrysa trespuntensis Sosa & Freitas, 2012: 13. Holotype, by original designation; “Minas Gerais. Tres Pontas [21°25’S / 45°30’W, 900 m], 10.i.2009, Ferreira C. S Leg.”; depository designated in the original description: MZUSP; current temporary location: APTA Ribeirao Preto, SP, Brazil. Larval description: Tauber et al. 2012: 2-11. Known distribution: Argentina (Tucumán), Brazil (Minas Gerais, Rio de Janeiro, Rio Grande do Sul), Venezuela (Mérida). Key to Titanochrysa species (modified from key in Sosa & Freitas 2012: 17) 1 Forewing crossveins with or without infuscation; mandibles symmetrical or asymmetrical; male: sternites S2–S8 with microtholi; dorsal rods of arcessus parallel; membrane beneath arcessus with or without two mesal lines of setae. . . . . . . . . .2 1’ Forewing crossveins with infuscation; mandibles symmetrical; male: sternites S2–S8 without microtholi; dorsal rods of arces- sus X-shaped; membrane beneath arcessus with two mesal lines of setae (Figs 1–3 in Sosa & Freitas 2012, Figs 16–18 in Tau- ber et al. 2012) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. circumfusa (Burmeister) 2 Forewing inner gradates with infuscation; mandibles asymmetrical; male: membrane beneath arcessus without small setae mesally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2’ Forewing inner gradates without infuscation; mandibles symmetrical; male: membrane beneath arcessus with small setae mesally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Forewing with network of short, dark, reticulate veins covered by a black spot on medial area; male: arcessus with dorsal rods short, merging apically; female: seventh sternite length ~3.5 times width (Figs 5–7 in Sosa & Freitas 2012, Figs 13–14 in Tau- ber et al. 2012) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. annotaria (Banks) 294 · Zootaxa 4375 (2) © 2018 Magnolia Press TAUBER ET AL. 3’ Forewing without reticulate network of veins; male: arcessus with sclerotized dorsal rods long, merging basally; female: sev- enth sternite length ~2.4 times width (Figs 9–11 in Sosa & Freitas 2012). . . . . . . . . . . . . . . . . . . . . .T. ferreirai Sosa & Freitas 4 Scape with dark red or black lateral stripe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4’ Scape without lateral stripe (Figs 1A, 1B, 2A–2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. chloros (Freitas & Penny) 5 Forewing with entirely green venation; flagellar setae amber-colored; subcostal veinlets slanted; dorsum of mediuncus not stri- ated (Figs 8–11 in Tauber et al. 2012). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. simpliciala Tauber 5’ Forewing with longitudinal veins green, crossveins marked with black or dark brown; flagellar setae black; subcostal veinlets perpendicular to Sc or almost so; dorsum of mediuncus striated (Figs 13–15 in Sosa & Frietas 2012) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T. trespuntensis Sosa & Freitas Acknowledgments The authors thank Dr. Jürg De Marmels (UCV-MIZA), Dr. Carlos Vásquez (UCLA-UCOB), Dr. Nelson Wanderley Perioto, Dra. Rogéria Inês Rosa Lara (APTA, Ribeirão Preto, Brazil) and Msc. Caleb Martins (USP, Ribeirão Preto, Brazil) for valuable suggestions and John D. Oswald (Texas A & M University) for his thoughtful review of the manuscript. CAT’s work has benefitted from support by the National Science Foundation, the USDA/NRI Competitive Grants Programs, Regional Project W-4185, and Cornell University. 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