Abstract
The genus Ceraeochrysa Adams is widely distributed in the New World, from southeastern Canada to Argentina, with 15 out of 61 previously known species recorded in Mexico. In this paper, Ceraeochrysa tacanensissp. nov. is described and illustrated from Volcán Tacaná, Chiapas, and an identification key to Ceraeochrysa species present in Mexico is provided. The new species is similar to others with swollen and darkened posterior branches of the cubital vein, and it can be separated from these other species by an elongate gonapsis extending from the base of the gonosaccus; the gonapsis is slightly upturned, terminating in a rounded apex with dorsal microteeth. Females of the new species have non-distinctive genitalia morphology. However, they can be associated with males of the species by body color pattern, synchrony, and sympatry.
Highlights
The Neotropical green lacewing genus Ceraeochrysa (Neuroptera, Chrysopidae) was separated from Chrysopa by Adams (1982), who based his definition of the genus on male genitalic characters and recognized 24 species
Ceraeochrysa tacanensis sp. nov. shares the posterior branches of the cubital vein swollen and dark, V-shaped marking with C. angulata (Navás), C. angusta Freitas & Penny, C. digitata Freitas & Penny, C. elegans Penny, C. nigripedis Penny, and C. tauberae Penny
The new species differs from the former species because it has a discontinuos stripe on the pronotum, while the rest have spots (C. angulata, C. angusta, C. elegans, C. nigripedis, and C. tauberae) or a continuous stripe (C. bitacornua and C. digitata)
Summary
The Neotropical green lacewing genus Ceraeochrysa (Neuroptera, Chrysopidae) was separated from Chrysopa by Adams (1982), who based his definition of the genus on male genitalic characters and recognized 24 species. Further studies added several species to this genus (Brooks and Barnard 1990; Penny 1997, 1998, 2002; Tauber et al 2000; Freitas and Penny 2001; Tauber and De León 2001).
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