Grumichella aequiunguis, FLINT, 1983

Calor, Adolfo R., Holzenthal, Ralph W. & Froehlich, Claudio G., 2016, Phylogeny and revision of the Neotropical genus Grumichella Müller (Trichoptera: Leptoceridae), including nine new species and a key, Zoological Journal of the Linnean Society 176 (1), pp. 137-169 : 140

GRUMICHELLA AEQUIUNGUIS FLINT, 1983 ( FIG. 2 )

Grumichella aequiunguis Flint, 1983: 68 , figs 246– 248 [Type locality: Argentina: Misiones, Arroyo Piray Mini, rt. 17, W Dos Hermanas, 23.xi.1973, O. S. Flint, Jr, type 100540; NMNH; male]. – Holzenthal, 1988a:91 [male, female, larva, pupa, case, distribution]. – Flint, Holzenthal & Harris, 1999: 128 [catalog]. – Blahnik, Paprocki & Holzenthal, 2004: 5 [distribution]. – Paprocki, Holzenthal & Blahnik, 2004: 12 [distribution]. – Dumas et al., 2009: 368 [distribution]. – Paprocki & França, 2014: 57 [distribution].

Diagnosis: Grumichella aequiunguis can be diagnosed by the following characters: 2 brown spots on male forewing; male genitalia bearing long, wide, rhomboid 2nd article of inferior appendage, with an excavate mesal surface, subequal in length to apicodorsal portion of 1st article; larval abdominal sternum I with 25–30 long setae. It is most similar to G. boraceia sp. nov., but differs in having a pointed rather than blunt apex of the 2nd article of the inferior appendage, which is not excavate.

Adult: Head and body yellowish.

Male: Forewing length: 8–9 mm. Forewing light golden brown, with 2 small brown spots, 1 at midlength, 1 at apex of anal area (arculus). Abdominal segment IX annular; in dorsal view, with anterior margin nearly straight, posterior margin broadly rounded; pleural region sparsely setose; tergum IX without protuberances dorsally. Preanal appendage setose, at least 4× as long as wide; in lateral view, clavate, apex rounded. Segment X saddle-shaped; in lateral view not flattened, dorsal margin slightly concave, ventral margin abruptly convex; segment X in dorsal view, rectangular, with posterolateral borders well developed, lateral margins subparallel, with apicodorsal shelf, shelf almost rectangular, 1/3 as wide as apex of segment X, without

Figures

Figure 2. Grumichella aequiunguis, male. A, genitalia, lateral view. B, genitalia, dorsal view. C, phallus, lateral view. D, inferior appendage, ventral view.