Key to adult males of Gripopteryx (Pictet 1841)

1 Tergum 10 large, apex more or less straight in dorsal view; paraprocts long, broader at mid–length, bent dorso–anteriorly, (Fig. 10a, b).............................................................................................. 2

- Apex of tergum 10 approximately triangular in shape [but squarish in G. ga rbe i] (Fig. 10h)........................... 3

2 Tergum 10 with posterolateral expansions (Fig. 10a); apex of paraprocts with a small sharp point directed outward (Fig. 6 c)................................................................................................. G. flinti

- Tergum abdominal 10 without posterolateral expansions (Fig. 10b); apex of paraprocts rounded................. G. elisae

3 Wings with homogeneous dark brown or black coloration...................................................... 4

- Wings gray or yellowish, with some irregular spots........................................................... 6

4 Paraprocts uniformly broad; sclerotized epiproct present (Fig. 10c).................................... G. cancellata

- Paraprocts locally dilated and apices curved back; sclerotized epiproct absent...................................... 5

5 Paraprocts long, broad, curved over 10th tergum; apex broadly rounded (Fig. 3 c)......................... G. brasiliensis

- Paraprocts long, relatively thin, not curved over 10th tergum; apex narrowly pointed, curved dorsally (Fig. 10d and 10e)................................................................................................ G. serrensis

6 Paraprocts with dorsally hooked apex in lateral view (Fig. 2 c and 10f)............................................ 7

- Paraprocts without dorsally hooked apex, apex rounded in lateral view........................................... 8

7 Small species, forewing 8.5–9.3 mm long; general coloration pale, (see terminalia in Figs. 10f–g)............... G. g a r b e i

- Large species, forewing 16.5–18.6 mm long; general coloration gray, (see terminalia in Fig. 2 b–d)............ G. reticulata

8 Subgenital plate with shallow notch apically (Fig. 10i)........................................................9

- Subgenital plate without shallow notch apically............................................................. 11

9 Paraprocts moderately wide, apicomesal portions deeply concave (Fig. 10h and 10i)......................... G. p i ni m a

- Paraprocts moderately narrow, without concavity to near apices................................................ 10

10 Paraprocts flattened (Fig. 11a), relatively narrow (Fig. 11b); subgenital plate covers all sternum 10 (Fig. 11b)........ G. liana

- Paraprocts not flattened (Fig. 11b), medium broad (Fig. 7 d); subgenital plate not covering all sternum 10 (Fig. 7 c and 7d)............................................................................................... G. japi n. sp.

11 Epiproct with rounded apex; paraproct relatively broad and not concave dorsally.................................. 12

- Epiproct short and pointed (Fig. 9 e); paraproct very broad (Fig. 9 c) and concave dorsally (Fig. 9 b)......... G. clemira n. sp.

12 Paraprocts relatively wide; epiproct not projecting beyond 10th tergum (Fig.10h); no sparse, long pilosity on antennae and legs................................................................................................... 13

- Paraprocts slender, epiproct projecting beyond 10th tergum (Fig. 11d); sparse long pilosity on antennae and legs..... G. pilosa

13 Paraprocts in lateral view wider apically and slightly slender basally (Fig. 11g).................................... 14

- Paraprocts in lateral view of uniform thickness throughout (Fig. 11c).................................... G. ma cu lo sa

14 Apex of 10th tergum strongly turned ventrally, terminating close to tip of epiproct (Fig. 11e–f)................... G. j ue t ah

- Apex of 10th tergum not strongly turned ventrally, apex terminating far from epiproct (Fig. 11g)................ G. coruja