Conganteon, Benoit, 1951

Olmi, Massimo, Copeland, Robert S. & Noort, Simon Van, 2019, Dryinidae of the Afrotropical region (Hymenoptera, Chrysidoidea), Zootaxa 4630 (1), pp. 1-619 : 65

Key to species of Conganteon

♀♀ (unknown in C. hawleyi , C. sensitivum and C. vannoorti )

1. Completely testaceous, except petiole black, one small brown spot on metapectal-propodeal disc near metanotum, brown teeth of mandible and brown borders of ocelli ( Figs 22B, C )................... C. lymanorum Olmi, Copeland & Guglielmino

- Mostly or totally black ( Figs 21D , 22A )................................................................... 2

2. Protarsomere 1 less than twice as long as 4................................................................ 3

- Protarsomere 1 twice or more than twice as long as 4........................................................ 6

3. Frons with posterior half sculptured by numerous and strong longitudinal and parallel keels and anterior half reticulate rugose................................................................................................... 4

- Frons completely or almost completely reticulate rugose or very strongly sculptured by large punctures................ 5

4. Mesoscutum reticulate rugose, with posterior third or half strongly punctate and unsculptured among punctures................................................................................................. C. kolyadai Olmi

- Mesoscutum with anterior third reticulate rugose and remaining surface strongly punctate and unsculptured among punctures........................................................................................ C. fisheri Olmi

5. Pronotum completely black................................................................. C. townesi Olmi

- Pronotum with lateral regions and pronotal tubercle partly whitish or testaceous...................... C. kolyadai Olmi

6. Mesoscutum completely or almost completely reticulate rugose; mesoscutellum usually at least partly reticulate rugose, occasionally unsculptured................................................................ C. vulcanicum Benoit

- Mesoscutum punctate and unsculptured among punctures, occasionally rugose near anterior margin; rarely mesoscutum with posterior half rugose and anterior half punctate; mesoscutellum unsculptured or punctate and unsculptured among punctures 7

7. Protarsomere 5 with basal part approximately as long as distal part ( Fig. 26E ).................... C. transvaalense Olmi

- Protarsomere 5 with basal part much shorter than distal part ( Fig. 27F )........................... C. walkerense Olmi

♂♂ (unknown in C. lymanorum and C. transvaalense )

1. Head and mesosoma mostly testaceous-whitish ( Fig. 25 )............... C. hawleyi Olmi, Copeland & van Noort , sp. nov.

- Head and mesosoma mostly black ( Fig. 85A )............................................................... 2

2. Pronotum with lateral region and pronotal tubercle partly whitish or testaceous.................................... 3

- Pronotum completely black, at most with pronotal tubercle testaceous........................................... 5

3. Frons with anterior half reticulate rugose and posterior half sculptured by numerous and strong longitudinal keels................................................................................................. C. fisheri Olmi

- Frons completely reticulate rugose, or completely sculptured by large punctures, or with smooth and finely punctured area in front of anterior ocellus................................................................................ 4

4. Inner margin of distal part of paramere with many short sensorial processes ( Fig. 27D ); frons with anterior half whitish............................................................... C. sensitivum Olmi, Copeland & van Noort , sp. nov.

- Inner margin of distal part of paramere without sensorial processes ( Fig. 27B ); frons with anterior third whitish................................................................................................. C. kolyadai Olmi

5. Mesoscutum punctate, unsculptured among punctures, at most rugose near anterior margin; notauli distinct, incomplete; frons completely or mostly punctate, unsculptured among punctures, occasionally with lateral regions rugose and slightly granulate among punctures..................................................................................... 6

- Mesoscutum completely reticulate rugose or with anterior half reticulate rugose and posterior half strongly punctate or slightly granulate; notauli usually absent or hardly visible; frons completely or almost completely reticulate rugose, occasionally also with some irregular longitudinal keels.................................................................... 8

6. Head black, except mandible testaceous; rarely clypeus testaceous; antennomere 9 about twice as long as broad; frontal line distinct.............................................................................. C. walkerense Olmi

- Head black, except mandible, clypeus and anterior region of frons testaceous; antennomere 9 3 × or more as long as broad; frontal line evanescent or distinct........................................................................ 7

7. Frontal line distinct and complete; notauli absent, or shortly visible near anterior margin of mesoscutum... C. kolyadai Olmi

- Frontal line evanescent; notauli incomplete, reaching approximately 0.6 × length of mesoscutum........ C. vannoorti Olmi

8. Vertex of head in front of occipital carina shiny, with longitudinal keels situated among ocelli, not reticulate rugose............................................................................................... C. townesi Olmi

- Vertex of head in front of occipital carina dull, reticulate rugose, without longitudinal keels or with longitudinal keels situated just behind occipital carina and not reaching area among ocelli................................. C. vulcanicum Benoit

Figures

FIGURE 21. Conganteon vulcanicum Benoit, ♀ holotype in dorsal (A) and lateral view (B). Conganteon sp. ♂ in dorsal view (C). Conganteon kolyadai Olmi, ♂ from South Africa, 29°39.23’S 30°27.41’E, in dorsal view (D). Scale bar: A: 2.34 mm; B: 1.47 mm; C: 2.55 mm; D: 4.18 mm.

FIGURE 22. Conganteon kolyadai Olmi, ♂ from South Africa, 29°39.23’S 30°27.41’E, in lateral view (A). Conganteon lymanorum Olmi, Copeland & Guglielmino, ♀ holotype in dorsal (B) and lateral (C) view. Conganteon vannoorti Olmi, ♂ holotype: dorsal view (D), lateral view (E); head and mesosoma in dorsal view (F).

FIGURE 25. Conganteon hawleyi Olmi, Copeland & van Noort sp. nov., ♂ holotype: habitus in dorsal (A) and lateral (B) view; head in frontal view (C); forewing (D).

FIGURE 26. Chelae of Conganteon species holotype. A: C. fisheri Olmi; B: C. kolyadai Olmi; C: C. lymanorum Olmi, Copeland & Guglielmino; D: C. townesi Olmi; E: C. transvaalense Olmi; F: C. vulcanicum Benoit. Scale bar: A: 1.08 mm; B: 1.10 mm; C: 0.88 mm; D: 0.89 mm; E: 1.25 mm; F: 0.78 mm.

FIGURE 27. ♂ genitalia (A–E) and chela (F) of Conganteon species. A: C. hawleyi Olmi, Copeland & van Noort sp. nov, holotype; B: C. kolyadai Olmi, paratype from South Africa, East London; C: C. fisheri Olmi, paratype; D: C. sensitivum Olmi, Copeland & van Noort sp. nov., holotype; E: C. townesi Olmi, ♂ from Madagascar, 23°10.78’S 43°37.01’E; F: C. walkerense Olmi, holotype. Scale bar: A: 0.11 mm; B, D: 0.14 mm; C: 0.16 mm; E: 0.13 mm; F: 0.05 mm.

FIGURE 85. Habitus of Conganteon and Deinodryinus species. A: Conganteon sensitivum Olmi, Copeland & van Noort sp. nov., ♂ holotype in dorsal view. B: D. harinhalai Olmi, ♂ holotype in dorsal view. C, D: D. musingilai Olmi, Copeland & Guglielmino, ♂ holotype in lateral (C) and dorsal (D) view. E: D. namorokensis Olmi, ♂ holotype in dorsal view. F: D. nigropictus Olmi, Copeland & van Noort sp. nov., ♀ paratype in dorsal view. Scale bar: A: 2.35 mm; E: 2.77 mm; F: 3.8 mm.