Pristaulacus, Kieffer, 1900

Konishi, Kazuhiko & Matsumoto, Rikio, 2019, Two new species of the genus Pristaulacus (Hymenoptera, Evanioidea, Aulacidae) from Japan, Zootaxa 4551 (4), pp. 445-454 : 452

Key to Japanese species of Pristaulacus (modified a key of Watanabe et al. 2013)

(The males of P. rufipilosus , P. superbus and P. uenoi are unknown)

1 Occipital carina interrupted dorso-medially; occipital margin in dorsal view strongly concave......................... 2

- Occipital carina not interrupted dorso-medially; occipital margin in dorsal view straight or slightly concave.............. 5

2 Occipital carina developed to form high lamella................................................ insularis Konishi

- Occipital carina not developed to form high lamella......................................................... 3.

3 Wings hyaline and tinged with brown; occipital medial groove broadly rounded.......................... ohishii sp. n.

- Wings hyaline and not tinged; occipital medial groove abruptly shaped........................................... 4

4 Fore wing with one dark spot behind stigma; fore and mid legs reddish yellow except coxae........... boninensis Konishi

- Fore wing with more than one dark spot; legs reddish brown................................. comptipennis Enderlein

5 Lateroventral margin of pronotum without tooth-like processes................................................. 6

- Lateroventral margin of pronotum with one tooth-like process.................................................. 8

6 Fore wing without dark spots; mesoscutum with sharp, protruding anterolateral corners............... kostylevi (Alekseev)

- Fore wing with dark spot behind stigma; mesoscutum with rounded anterolateral corners............................. 7

7 Antenna reddish-orange; pronotum and propleuron extensively reddish-orange; hind leg entirely reddish orange; setae of body gold; hind basitarsus 1.6× as long as tarsomeres 2–5............................................ rufipilosus Uchida

- Antenna blackish; pronotum and propleuron blackish; hind leg blackish; setae on body whitish; hind basitarsus 1.3× as long as tarsomeres 2–5................................................................... anijimensis Watanabe et al.

8 Anterior margin of mesoscutum, in lateral view, acute; veins M+Cu, r-m and Cu of hind wing not pigmented............ 9

- Anterior margin of mesoscutum, in lateral view, rounded; veins of hind wing pigmented............................ 10

9 Mesosoma entirely black; fore wing with one dark spot behind stigma; tarsal claw with four tooth-like processes................................................................................................ ryukyuensis Konishi

- Mesosoma brownish red; fore wing with more than one dark spots; tarsal claw with three tooth-like processes........................................................................................................ uenoi sp. n.

10 Body black without metallic hue; tarsal claw with three tooth-like processes; ovipositor more than 2.0× as long as length of fore wing..................................................................... japonicus Turrisi & Watanabe

- Body black with extensive metallic blue to dull green hue on head and mesosoma; tarsal claw with four tooth-like processes; ovipositor at most 1.6× as long as length of fore wing.................................... superbus Turrisi & Konishi