Pristaulacus boninensis Konishi 1989

Watanabe, Kyohei, Konishi, Kazuhiko & Turrisi, Giuseppe Fabrizio, 2013, Diversity of Aulacidae (Hymenoptera: Evanioidea) in the oceanic Ogasawara Islands (Japan), with description of a new species from Anijima Island, Zootaxa 3736 (2), pp. 187-197 : 193-195

Pristaulacus boninensis Konishi 1989

( Figs. 22–28 )

[Japanese name: Ogasawara-sedaka-yasebachi]

Pristaulacus boninensis Konishi 1989: 337 .

Description. See Konishi (1989, 1990) and Turrisi (2007: 16). Here we describe male genitalia of this species for the first time.

Subgenital plate with a short apodema sternalis, anterior margin round laterally, straight to slightly concave medially, its median part with scale-like sculpture ( Fig. 24 ). Apex of paramere acute, cuspis wide and curved, digitus wide with lower apex narrow and long ( Figs. 25, 26, 28 ). Aedeagus more or less straight, its penis valve about 2.5 times as long as basal apodeme ( Fig. 27 ), its apex produced in dorsal and ventral views ( Figs. 25, 26 ).

Material examined. JAPAN, Tokyo, Ogasawara Islands. [Anejima Island] 1 male, 16. vii. 2007, H. Karube leg. (KPMNH) (KPM-NK5001140). [Anijima Island] 1 male, 8. vi. 2006, ex. from dead wood of Distylium racemosum, H. Karube leg. (KPMNH) (KPM-NK5001141); 3 females, 18. viii. 2010, Malaise trap by JFTA (KPMNH) (KPM-NK5001142–KPM-NK5001144); 1 female and 6 males, 14. ix. 2009, Malaise trap by JFTA (KPMNH) (KPM-NK5001145–KPM-NK5001151); 2 females and 4 males, 8. vii. 2009, Malaise trap by JFTA (KPMNH) (KPM-NK5001152–KPM-NK5001157); 4 females and 10 males, no data of month and day, 2010, Malaise trap by JFTA (2 females and 2 males in UCTC; others in KPMNH) (KPM-NK5001158–KPM- NK5001167); 1 female and 1 male, no data of month and day, 2005, H. Karube leg. (KPMNH) (KPM- NK5001168–KPM-NK5001169). [Hahajima Island] 1 female (holotype), 1–8. vii. 1986, H. Makihara leg. (NIAES). [Imoutojima Island] 1 female, 23. vi. 2006, H. Karube leg. (KPMNH) (KPM-NK5001170). [Mukojima Island] 1 female, 10. vi. 2007, H. Karube leg. (KPMNH) (KPM-NK5001171). [Mukoujima Island] 1 female and 1 male, 21. vi. 2009, Malaise trap by JFTA (KPMNH) (KPM-NK5001172–KPM-NK5001173). [Otoutojima Island] 1 male, Shikanohama to Hirone, 12. vi. 2006, H. Karube leg. (KPMNH) (KPM-NK5001174).

Distribution. JAPAN (Ogasawara Islands: Anejima Island, Anijima Island, Chichijima Island, Hahajima Island, Imoutojima Island, Mukojima Island, Mukoujima Island and Otoutojima Island). Biology. Konishi (1989, 1990) recorded the host of this species: Ceresium unicolor (Fabricius 1787) ( Coleoptera , Cerambycidae ). The host cerambicid beetle used an introduced plant, Leucaena leucocephala (Fabaceae) .

Remarks. This species is newly recorded from Anejima Island, Anijima Island, Imoutojima Island, Mukojima Island, Mukoujima Island and Otoutojima Island.

Figures

FIGURE 22, 23. Pristaulacus boninensis Konishi (female) ― 22, lateral habitus; 23, head, dorsal view.

FIGURES 24 – 28. Pristaulacus boninensis Konishi (male) ― 24, subgenital plate, ventral view; 25, 26, genital capsule, dorsal (25) and ventral (26) view; 27, right aedeagus, lateral view; 28, right paramere and volsella, mesal view.