Genus Italochrysa Principi, 1946

Diagnosis

Italochrysa can be generally recognized by their larger and robust bodies (forewing length: 19.5–24.0 mm) and brownish bodies with yellow markings. It can be distinguished by the quadrangular intramedian cell in the forewing (Figs 1C, 4) and the male genitalia with one pair of long parameres (Fig. 7F). Although Italochrysa is closely related to Evanochrysa Brooks & Barnard, 1990 in having a quadrangular intramedian cell, it can be distinguished by the presence of parameres in male genitalia and the absence of pregenitale in female genitalia.

Notes

Italochrysa currently includes nine species in India (see Brooks & Barnard 1990; Ghosh 2000) and three species in Pakistan: I. lefroyi (Needham), I. aequalis (Walker), and I. everetti (van der Weele). In this study, we revised the Pakistani Italochrysa species based on new materials and the paratype photographs of I. lefroyi from the Cornell University Insect Collection (CUIC). However, the identity of Italochrysa species in the subcontinent has remained obscure and it may include more unknown species in the region. Thus, the recent finding of I. aequalis and I. everetti from Pakistan is of great interest. This genus was not listed in the former catalogue from Pakistan (Hassan et al. 2019).

Key to Italochrysa species from Pakistan

1 Wings hyaline, unmarked (Fig. 5)........................................................................ 2

– Forewing with a dark brown spot at distal margin of icu3 cell (Fig. 4)...................... I. everetti (van der Weele)

2 Legs pale yellow, except femora with a median dark spot (Fig. 6F).............................. I. aequalis (Walker)

– Legs pale yellow, unmarked (Figs 11A–B)................................................. I. lefroyi (Needham)