Key to Platycorypha species associated with Detarieae

Adults

1 Toruli, in ventral view, with dark margin (Fig. 176). Terminalia as in Figs 191, 212–214.................... P . pycnopeus

- Toruli, in ventral view, with light margin. Terminalia different (Figs 186–190, 192, 193, 197–211, 215–220)............. 2

2 Antenna length/ head width ratio <3.8. Paramere lamellar, slender (Fig. 203). Distal portion of aedeagus as in Fig. 205. Female subgenital plate truncate apically (Fig. 188)......................................................... P. cultrata

- Antenna length/ head width ratio> 3.8. Paramere with broader base, distinctly narrowing to apex (Figs 197, 200, 206, 209, 215, 218). Distal portion of aedeagus different (Figs 199, 202, 208, 211, 217, 220). Female subgenital plate with apical point (Figs 186, 187, 189, 190, 192, 193). Females of the following six species are morphologically similar and cannot be identified with certitude............................................................................................ 3

3 Distal segment of aedeagus with a pair of ventral lobes (Figs 211, 217)........................................... 4

- Distal segment of aedeagus lacking ventral lobes (Figs 199, 202, 208, 220)....................................... 5

4 Paramere in distal half relatively slender (Fig. 209); apex, in dorsal view, pointed (Fig. 210). Distal segment of aedeagus with small ventral lobes and relatively short and thick apical hook (Fig. 211). Long setae arranged in a transverse row on dorsum of female proctiger apically almost reaching apex of proctiger (Fig. 190).................................... P. pinnata

- Paramere in distal half relatively broad (Fig. 215); apex, in dorsal view, blunt (Fig. 216). Distal segment of aedeagus with large ventral lobes and relatively long and narrow apical hook (Fig. 217). Long setae arranged in a transverse row on dorsum of female proctiger apically not reaching apex of proctiger (Fig. 191)....................................... P. rostrata

5 Apical rostral segment> 1.5 times as long as segment 2. Terminalia as in Figs 187, 200–202................. P . atrifrons

- Apical rostral segment <1.5 times as long as segment 2. Terminalia different (Figs 185, 186, 189,193, 197–199, 206–208, 218–220, 200–202).................................................................................... 6

6 Paramere relatively narrow, with inwards directed apical tooth; inner face with sparse setae (Figs 218, 219). Distal portion of aedeagus as in Fig. 220......................................................................... P . scalprata

- Paramere narrowing from broad base to slender apex with backwards directed apical tooth; inner face with dense setae (Figs 197, 198, 206, 207). Distal portion of aedeagus as in Figs 199, 208.............................................. 7

7 Paramere strongly, irregularly narrowing in apical third (Fig. 197). Apical dilatation of distal portion of aedeagus relatively thick (Fig. 199). Female with dorsal margin of proctiger weakly convex; ventral margin of subgenital plate weakly, evenly curved (Fig. 186). Brazil: AM................................................................. P. amazonica

- Paramere evenly narrowing from base to apex (Fig. 206). Apical dilatation of distal portion of aedeagus relatively slender (Fig. 208). Female with dorsal margin of proctiger strongly convex; ventral margin of subgenital plate strongly bent in the middle (Fig. 189). Brazil: MT........................................................................ P. leptopeus

Last instar immatures

(Immatures of Platycorypha atrifrons, P. cultrata, P. leptopeus and P. pycnopeus are unknown)

1 Submedian capitate setae in front of sectasetae on dorsum of caudal plate distinctly longer than the latter (Fig. 196)....... 2

- Submedian capitate setae in front of sectasetae on dorsum of caudal plate lacking (Fig. 194) or shorter than the latter (Fig. 195)................................................................................................ 3

2 Rostrum long,> 0.7 times forewing pad length, ending distal to metacoxa................................. P. rostrata

- Rostrum shorter, <0.7 times forewing pad length, ending proximal to metacoxa........................... P. scalprata

3 Dorsum of caudal plate without submedian capitate setae near submedian sectasetae (Fig. 194)............. P. amazonica

- Dorsum of caudal plate with two short submedian capitate setae near submedian sectasetae (Fig. 195)........... P. pinnata