Deinodryinus caxiuana

Coelho, Beatriz W., Aguiar, Alexandre P. & Engel, Michael S., 2011, A survey of Dryinidae (Hymenoptera, Chrysidoidea) from Caxiuanã, Amazon Basin, with three new taxa and keys to genera and species, Zootaxa 2907, pp. 1-21 : 19-20

Key to the species of Dryinidae from Caxiuanã (females)

[Based partly on Olmi 1984, 1991, 1992, 1993, 1998]

1 Chela with rudimentary claw............................................................................ 2

- Chela without rudimentary claw. ( Anteoninae ).............................................................. 8

2 Mesotibial spur present. ( Dryininae )...................................................................... 3

- Mesotibial spur absent. ( Gonatopodinae )................................................................. 13

3 Enlarged pretarsal claw with broad apical lamella, without subapical tooth. ( Dryinus Latreille , lamellatus species-group).................................................................................... Dryinus hamulus sp. nov.

- Enlarged pretarsal claw without broad apical lamella, with one subapical tooth.................................... 4

4 Notauli at least partly visible. ( Dryinus Latreille , constans species-group)......................................... 5

- Notauli not visible. ( Dryinus Latreille , ruficauda species-group)................................................ 7

5 Mesoscutum laterally sculptured by longitudinal keels, medially reticulate rugose; OPL as long as POL, posterior ocelli distant from occipital carina................................................................. Dryinus snellingi Olmi

- Mesoscutum fully sculptured by numerous longitudinal keels; OPL shorter than POL, posterior ocelli near occipital carina ... 6

6 Prothorax mostly black ( Figs 18 , 19 )................................................... Dryinus striatus (Fenton)

- Prothorax fully or mostly reddish ( Figs 7 , 9 )............................................ Dryinus argentinus Olmi

7 Head with OL more than 3 × as long as POL; dorsal surface of propodeum reticulate rugose; protarsomere 1 nearly as long as protarsomere 4................................................................... Dryinus ruficeps Cameron

- Head with OL shorter than POL; dorsal surface of propodeum with numerous strong, straight longitudinal keels ( Fig. 17 ); pro- tarsomere about 2 × protarsomere 4.............................................. Dryinus multicarinatus sp. nov.

8 Inner surface of enlarged pretarsal claw with proximal prominence bearing a single bristle. ( Anteon Jurine )............. 9

- Inner surface of enlarged pretarsal claw with proximal prominence lacking bristles; 1–2 short bristles or peg-like setae located further distal to proximal prominence. ( Deinodryinus Perkins )................................................ 11

9 Head fully reticulate rugose; pronotum produced with raised, transverse carina between anterior and posterior surfaces................................................................................. Anteon chiriquense ( Cameron)

- Head not reticulate rugose; pronotum not produced with a raised, transverse carina between anterior and posterior surfaces...................................................................................................... 10

10 Head with punctures separated by smooth surface, without keels; pronotum with two dorsal, transverse lobes; fore wing with two dark transverse bands............................................................... Anteon noyesi Olmi

- Head with punctures separated by granulate surface, with numerous longitudinal keels; pronotum without dorsal lobes; fore wing hyaline, without dark transverse bands............................................. Anteon panamense Olmi

11 Head granulate, without keels ( Fig. 4 ); pronotum with posterior surface flat ( Figs 2 , 3 )...... Deinodryinus caxiuana sp. nov.

- Head smooth or rugose, with keels; pronotum with surface not flattened......................................... 12

12 Head with five incomplete longitudinal keels on frons, without keels around orbits and with numerous longitudinal keels on vertex, integument between keels rugose; pronotum with two distinct dorsal lobes laterally.... Deinodryinus bilobus Fenton

- Head with two median, longitudinal keels on frons, with keel around orbits and two oblique keels connecting posterior ocelli to occipital carina, integument between keels smooth; pronotum without dorsal lobes. Deinodryinus bicolor (Olmi et Currado)

13 Species fully winged; tibial spur formula 1–0–2......................................... Neodryinus incaicus Olmi

- Species apterous; tibial spur formula 1–0–1................................................................ 14

14 Enlarged pretarsal claw with large subapical tooth.......................................................... 15

- Enlarged pretarsal claw without subapical tooth, with a small tooth at end of longitudinal furrow...................... 16

15 Maxillary palpi with six palpomeres; labial palpi with three palpomeres; head, pronotum, and mesoscutum granulate; prono-

tum without striae; surface of metathorax and propodeum granulate and sculptured with fine, transverse striae. ( Gonatopus Ljungh , testaceus species-group)................................................. Gonatopus testaceus Cameron - Maxillary palpi with 4–5 palpomeres; labial palpi with two palpomeres; head, pronotum, and mesoscutum smooth or weakly granulate; pronotum with a few striae laterally; surface of metathorax and propodeum smooth or granulate, sculptured with coarse, transverse striae. ( Gonatopus Ljungh , neotropicus species-group)................. Gonatopus neotropicus (Olmi)

16 Pronotum crossed by a strong, transverse impression; maxillary palpi with four palpomeres; labial palpi with two palpomeres; head smooth, with median keel on frons; metanotum transversely striate, with two lateral points; posterior surface of propodeum and part of pleura transversely striate, integument between striae smooth. ( Gonatopus Ljungh , orbitalis species-group)............................................................................... Gonatopus campbelli Olmi

- Pronotum not crossed by a transverse impression ( Figs 22, 23 ); maxillary palpi with six palpomeres; labial palpi with three palpomeres; head granulate, with short keels along orbits; metanotum granulate, with sides rounded; posterior surface of propodeum and pleura not transversely striate, granulate................................ Trichogonatopus neotropicus Olmi

Figures

FIGURE 18. Dryinus striatus, Ƥ, habitus, lateral view.

FIGURES 19 – 21. Dryinus striatus, Ƥ. 19. Habitus, dorsal view; 20. Head, anterior view; 21. Propodeum, dorsal view.

FIGURES 6, 7. Dryinus argentinus, Ƥ. 6. Propodeum, dorsal view; 7. Habitus, lateral view.

FIGURES 8, 9. Dryinus argentinus, Ƥ. 8. Head, anterior view; 9. Habitus, dorsal view.

FIGURES 15 – 17. Dryinus multicarinatus sp. nov., holotype. 15. Head, anterior view; 16. Habitus, dorsal view; 17. Propodeum, dorsal view.

FIGURES 3 – 5. Deinodryinus caxiuana sp. nov., holotype. 3. Habitus, dorsal view; 4. Head, antero-dorsal view; 5. Head, anterior view.

FIGURES 1, 2. Deinodryinus caxiuana sp. nov., holotype. 1. Propodeum, dorsal view; 2, Habitus, lateral view.

FIGURES 22, 23. Trichogonatopus neotropicus, Ƥ. 22. Habitus, lateral view; 2. Habitus, dorsal view ..