Digonocryptus Viereck

Aguiar, Alexandre Pires & Ramos, Adriana C. B., 2011, 2846, Zootaxa 2846, pp. 1-98 : 13-14

Key to Species of Digonocryptus Viereck

The following key is intended to be used primarily with female specimens, but will also be helpful for the recognition of species for males.

1(0) Metasoma dorsally mostly or entirely black (Figs 96, 97, 103, 98, 104, 105, 100, 99, 101)........................... 2

– Metasoma dorsally mostly or entirely red to dark ferruginous ( Figs 133, 94, 152, 135, 153, 136, 95, 137).............. 31

2(1) Subalar prominence entirely or mostly yellow ( Figs 147, 146, 143, 149, 138, 150, 144)............................. 3

– Subalar prominence orange, brown or black, centrally sometimes with small yellow spot ( Figs 27, 141, 140)........... 23

3(2) Mesoscutum centrally, at level of tegula, with distinct yellow spot ( Fig. 155)...................................... 4

– Mesoscutum centrally, at level of tegula, without yellow spot, sometimes laterally with longitudinal yellow stripe ( Fig. 160). 9

4(3) Propodeum main color black or nearly so.................................................................. 5

– Propodeum main color reddish brown, orange brown, or orange............................................... 7

5(4) Propodeal apophyses inconspicuous, sometimes weakly developed as a carina ( Figs 4, 16); mesopleuron and metapleuron main color black, with large yellow spot covering about 85–95% of its area....................................... 6

– Propodeal apophyses conspicuous, somewhat compressed, oblong in cross section, or long, stout, round in cross-section ( Figs 85, 86); mesopleuron and metapleuron yellow, except mesopleuron apical 0.2 black ( Figs 85, 147)..................................................................................................... D. chiriquensis (Cameron)

6(5) Propodeum dorsally with longitudinal yellow spot ( Fig. 16); propodeal apophyses present as distinct scale-like structures ( Figs 15, 16); posterior transverse carina entirely absent between and beyond apophyses ( Fig. 16).......... D. crassipes (Brullé)

– Propodeum dorsally with wide yellow mark shaped as inverted U extending along posterior transverse carina ( Fig. 4); propodeal apophyses present as very weak, almost linear carina ( Fig. 4); posterior transverse carina complete, distinct between and beyond apophyses, reaching lateral or posterior margin ( Fig. 4)............................. D. variegatus (Szépligeti)

7(4) Head black with supraclypeal area yellow; mesoscutum black, with yellow spots and stripes........................ 8

– Head yellow except apical margin of clypeus translucent brown, supra-antennal area and vertex with a medio-longitudinal brown stripe; mesoscutum orange brown, centrally dark brown, with yellow spots and stripes........ D. tarsatus (Cresson)

8(7) Orbital band interrupted at malar space and between 12–3 h ( Fig. 112), its width at level of supra-antennal area and temple 0.2 of interocular distance, on gena about twice as wide.......................................... D. varipes (Brullé)

– Orbital band complete, although very narrow at malar space only, its width at level of supra-antennal area and temple about 0.3 of interocular distance, then, at level of temples, orbital band projecting shortly but distinctly towards center ( Fig. 108)......................................................................................... D. archisius sp. nov.

9(3) Postpetiole apical margin with complete transverse yellow stripe of regular width, narrow to wide (Fig. 98)............ 10

– Postpetiole apical margin with medially interrupted yellow stripe ( Figs 174, 104), or sometimes stripe complete but clearly narrowing towards the middle.......................................................................... 20

10(9) Mesosoma dorsally mostly or entirely black to dark brown................................................... 11

– Mesosoma dorsally mostly or entirely red to orange, or anteriorly black and posteriorly red to orange................. 19

11(10) Propodeum dorsally without yellow ( Figs 74, 72, 34, 36); area behind anterior transverse carina with dense pilosity covering 70–80% of surface................................................................................... 12

– Propodeum dorsally with yellow stripe following posterior transverse carina ( Figs 2, 10, 159), or with two large yellow marks ( Fig. 14), at level of apophysis; area behind anterior transverse carina with scarce hairs............................ 16

12(11) Orbital band wide, complete, or interrupted only at malar space; clypeus yellow; supraclypeal area mostly yellow, narrowly black medio-longitudinally on dorsal half or less, or narrowly black medio-longitudinally through its entire length, or with narrow vertical black stripe becoming triangular at clypeal suture, or entirely triangular........................... 13

– Orbital band narrow, complete or incomplete; clypeus black; supraclypeal area entirely black, or with a central triangular black area from clypeus to toruli............................................................................ 15

13(12) Mesoscutum entirely black; mesopleuron and metapleuron black, also with thick dense pilosity covering 80–90% of cuticular surface.................................................................... D. thoracicus Kasparyan et Ruíz

– Mesoscutum laterally with two longitudinal yellow stripes ( Fig. 160); mesopleuron and metapleuron with large yellow marks, also glabrous or with scarce short hairs, 99% of cuticular surface visible....................................... 14

14(13) Clypeal margin with one tooth; mesopleuron with tiny punctures; area in front of anterior transverse carina with small mediolongitudinal ridges......................................................... D. propodeator Kasparyan et Ruíz

– Clypeal margin with two teeth; mesopleuron without microsculpturing; area in front of anterior transverse carina smooth without medio-longitudinal ridges............................................................. D. mettus sp. nov.

15(12) Clypeal margin with two teeth; scutellum and postscutellum entirely yellow; orbital band forming a nearly complete ring, interrupted only at malar space; pronotum laterally on dorsal margin with large, elongate, yellow spot ( Fig. 33)................................................................................................ D. grossipes (Brullé)

– Clypeal margin with one tooth; scutellum yellow, except apical 0.3 black, postscutellum black; orbital band interrupted four times, at 9 h, 11 h, 4–5 h and 6–8 h; pronotum laterally on dorsal margin with regular yellow spot ( Fig. 35).................................................................................................... D. domius sp. nov.

16(11) Mesoscutum reddish brown; scutellum dark brown, centrally with two large yellow spots, one on each side, the spots almost connecting medially ( Figs 158, 159); mesopleuron entirely reddish brown; T1–8 dark brown, apical margin with yellow stripe, wide on postpetiole, narrow to almost linear on T2–8.......................................... D. huntus sp. nov.

– Mesoscutum black; scutellum mostly or entirely yellow; mesopleuron almost entirely yellow, or black with large yellow mark; T1–8 not as above.................................................................................. 17

17(16) Clypeal margin with one tooth; mesoscutum dark brown with yellow mark following the notaulus; propodeal apophyses present as wide, scale-like structures ( Figs 13, 14); petiole dark brown; T1 basally black, postpetiole entirely yellow, T2 apical margin with wide yellow stripe (Fig. 103), T3 yellow or almost yellow (Fig. 103), T4–T6 dark brown (Fig. 103), T7–8 yellow (Fig. 103).......................................................................... D. meridensis sp. nov.

– Clypeal margin with two small teeth; mesoscutum entirely black; propodeal apophyses conspicuous, as short thorn, somewhat compressed ( Figs 1, 2); petiole mostly black, T1–3 apical margin with complete transverse yellow stripe narrow to wide, T4– T8 apical margin with yellow stripe medially incomplete.................................. D. annulitarsis (Cameron)