Dryininae

Mita, Toshiharu, 2009, A taxonomic study of the Dryininae (Hymenoptera: Dryinidae) of Japan, with description of a new species of Pseudodryinus, Zootaxa 2168, pp. 45-56 : 54-55

Key to the females of the Dryininae species of Japan

1 Palpal formula 6/3......................................................................................................................................................... 2

- Palpal formula 5/3 ( Pseudodryinus ) .............................................................................. P. s h i h o a e Mita, New Species

2 Antenna with tufts of setae; enlarged claw with two subapical teeth ( Thaumatodryinus ) ................... T. alienus Olmi

- Antenna without tufts of setae; enlarged claw with one subapical tooth ( Dryinus ) ................................................... 3.

3 Frons smooth; occipital carina incomplete; body testaceous......................................................... D. indicus (Kieffer)

- Frons covered with more or less distinct surface sculpture; occipital carina complete; body mostly black ............... 4

4 Frons strongly reticulated, rugose........................................................................................ D. chenae Xu, Olmi & He

- Frons smooth, granulated, with or without longitudinal carina.................................................................................... 5

5 Frons narrow, narrower than scutellum ............................................................................................... D. bellicus Olmi

- Frons broad, much broader than scutellum................................................................................................................... 6

6 Occipital carina laterally strongly sinuate; temple long, distance longer than greatest diameter of anterior ocellus ( Figs. 2, 3 ) ..................................................................................................................................................................... 7

- Occipital carina laterally straight or weakly sinuate; temple short, distance shorter than greatest diameter of anterior ocellus ( Figs. 1, 4 )......................................................................................................................................................... 8

7 Frons strongly granulated ( Fig. 2 ) ................................................................................................. D. pyrillae (Kieffer)

- Frons weakly or not granulated ( Fig. 3 ) ...................................................................................... D. pyrillivorus Olmi

8 Frons with numerous longitudinal keels ( Fig. 4 ) .......................................................................................................... 9

- Frons without longitudinal keel (except frontal line) ( Fig. 1 ) .................................................................................... 10

9 Antennae with FIV–VI flat, strongly broadened ........................................................................... D. browni Ashmead

- Antennae with FIV–VI cylindrical, not broadened .............................................................................. D. sinicus Olmi

10 Frons weakly excavated ( Fig. 1 )........................................................................................ D. krombeini Ponomarenko

- Frons strongly excavated (as Fig. 3 )................................................................................. D. expolitus Xu, Olmi & He

Figures

FIGURES 1 – 4. Heads of Dryinus spp. in dorsal view (female). Each bar represents 0.5 mm. 1: D. krombeini. 2: D. pyrillae. 3: D. pyrillivorus. 4: D. sinicus.