Neodryinus grandis, Xu, Zaifu, Olmi, Massimo & He, Junhua, 2011

Xu, Zaifu, Olmi, Massimo & He, Junhua, 2011, Revision of the Oriental species of the genus Neodryinus Perkins 1905 (Hymenoptera: Dryinidae: Gonatopodinae), with description of a new species from China, Zootaxa 2790, pp. 1-22 : 2-3

Key to the Oriental species of Neodryinus

Females (unknown in N. baishanzuensis and N. phuphayonensis )

1 Notauli present, complete or incomplete.................................................................... 2

- Notauli absent....................................................................................... 6

2 Segment 5 of fore tarsus with less than 20 medial lamellae ( Figs 18 , 21 ).......................................... 3

- Segment 5 of fore tarsus with more than 20 medial lamellae ( Figs 2 , 10 , 14 )....................................... 4

3 Segment 5 of fore tarsus with 2 rows of lamellae ( Fig. 21 ); disc of pronotum very humped, without a posterior transverse impression ( Fig. 20 )............................................................. 13. N. pseudodiffusus Olmi

- Segment 5 of fore tarsus with 1 row of lamellae ( Fig. 18 ); disc of pronotum less humped, almost flat, with a hardly visible pos- terior transverse impression ( Fig. 17 ).................................................. 11. N. malayanus (Olmi)

4 Notauli incomplete.................................................................7. N. isoneurus Xu et He

- Notauli complete..................................................................................... 5

5 Pronotum granulated, smooth, not sculptured by longitudinal keels; face granulated and irregularly rugose. 2. N. beaveri Olmi

- Pronotum granulated and with anterior collar, disc and lateral regions sculptured by numerous longitudinal and parallel keels; face granulated and with numerous parallel and longitudinal keels....................... 10. N. lineatus Xu, Olmi et He

6 Pronotum with a posterior transverse impression in addition to the anterior impression ( Fig. 4 ); anterior impression little deep.................................................................................. 9. N. leptopus Richards

- Pronotum only with an anterior transverse impression, without a posterior impression ( Fig. 3 ); anterior impression very deep..................................................................................................... 7

7 Enlarged claw with a very small subapical tooth situated very far from the distal apex ( Fig. 27 ).... 17. N. taiwanensis Olmi

- Enlarged claw with a small or very large subapical tooth situated very near the distal apex ( Figs 5, 6 , 8, 9 , 11 , 18 , 21, 23 , 25, 26 )................................................................................................ 8

8 Occipital carina absent.............................................................. 14. N. reticulatus (Fouts)

- Occipital carina distinct and incomplete.................................................................... 9

9 Occipital carina distinct on the sides of the posterior ocelli, but not extending beyond 0.5 length of OOL............... 10

- Occipital carina distinct on the sides of the posterior ocelli, at least reaching 0.5 length of OOL....................... 13

10 Enlarged claw less tapering, with subapical tooth very big and prominent ( Fig. 5 )................... 3. N. chelatus Olmi

- Enlarged claw more tapering, with subapical tooth smaller and less prominent ( Figs 8 , 25, 26 )....................... 11

11 Legs totally or mostly reddish..................................................... 16. N. sumatranus Enderlein

- Legs black-brown.................................................................................... 12

12 Enlarged claw more tapering ( Fig. 8 )....................................................... 5. N. dolosus Olmi

- Enlarged claw less tapering ( Fig. 25 )...................................................... 15. N. robustus Olmi

13 Scutum granulated, very hairy, not reticulate rugose, without longitudinal keels.................. 8. N. javanus (Roepke)

- Scutum completely reticulate rugose, or mostly sculptured by numerous longitudinal keels.......................... 14

14 Scutum sculptured by numerous longitudinal keels and with a narrow median region reticulate rugose; enlarged claw with a very large subapical tooth ( Fig. 5 ).......................................................... 3. N. chelatus Olmi

- Scutum completely reticulate rugose; enlarged claw with a large or small subapical tooth ( Figs 6 , 9 , 18 , 21 )............ 15

15 Head with face sculptured by numerous parallel longitudinal keels............................. 6. N. grandis sp. nov.

- Head with face reticulate rugose, not sculptured by numerous parallel longitudinal keels............................ 16

16 Enlarged claw with a small subapical tooth ( Fig. 6 ).............................................4. N. diffusus Olmi

- Enlarged claw with a large subapical tooth ( Figs 18 , 21 )..................................................... 17

17 Segment 5 of fore tarsus with 2 rows of lamellae ( Fig. 21 ); disc of pronotum very humped, without a track of a posterior trans- verse impression ( Fig. 20 )......................................................... 13. N. pseudodiffusus Olmi

- Segment 5 of fore tarsus with 1 row of lamellae ( Fig. 18 ); disc of pronotum less humped, almost flat, with a track of a posterior transverse impression ( Fig. 17 )........................................................ 11. N. malayanus (Olmi)

Figures

FIGURES 17 – 20. 17, 18. Neodryinus malayanus, Ψ, holotype. 17. Pronotum, lateral view; 18. Chela. 19. N. phuphayonensis, ♂, holotype, genitalia. 20. N. pseudodiffusus, Ψ from Sabah, Sandakan, pronotum, lateral view. Scale bar 0.37 mm for 17, 0.09 mm for 18, 0.05 mm for 19, and 0.30 mm for 20.

FIGURES 21 – 24. 21, 22. Neodryinus pseudodiffusus. 21. Chela, Ψ, holotype. 22. Genitalia, ♂ from India. 23, 24. N. reticulatus. 23. Chela, Ψ, holotype. 24. Genitalia, ♂ from Sabah. Scale bar 0.06 mm for 21, 22, 0.09 mm for 23, and 0.05 mm for 24.

FIGURES 1 – 6. 1. Neodryinus baishanzuensis, ♂, holotype, genitalia; 2. N. beaveri, Ψ, holotype, chela; 3, 5. N. chelatus, Ψ, holotype, 3. Pronotum, lateral view; 5. Chela; 4. N. leptopus, Ψ, holotype, pronotum, lateral view; 6 N. diffusus, Ψ, holotype, chela. Scale bar 0.07 mm for 1 and 2, 0.34 mm for 3 and 0.33 mm for 4, 0.11 mm for 5, and 0.08 mm for 6.

FIGURES 7 – 10. 7. Neodryinus diffusus, ♂ from Brunei, genitalia; 8. N. dolosus, Ψ, holotype, chela; 9. N. grandis sp. nov., Ψ, holotype, chela; 10. N. isoneurus, Ψ, holotype, chela. Scale bar 0.07 mm for 7 – 9 and 0.13 mm for 10.

FIGURES 11 – 14. 11, 12. Neodryinus javanus, specimens from Kuala Lumpur. 11. Female chela, 12. Male genitalia. 13. N. leptopus, Ψ, holotype, chela. 14. N. lineatus, Ψ, holotype, chela. Scale bar 0.09 mm for 11, 13, 0.07 mm for 12, and 0.10 mm for 14.

FIGURES 25 – 27. 25. Neodryinus robustus, Ψ, holotype, chela. 26. N. sumatranus, Ψ from Sri Lanka, chela. 27. N. taiwanensis, Ψ, holotype, chela. Scale bar 0.08 mm for 25, and 0.09 mm for 26, 27.