Pseudeucoila (Pseudeucoila) weldi Yoshimoto

Carl M. Yoshimoto, 1962, Hymenoptera: Eucoilinae (Cynipoidea), Insects of Micronesia 19 (3), pp. 89-107 : 102-103

10. Pseudeucoila (Pseudeucoila) weldi Yoshimoto , n. sp. (fig. 9).

Female: Fuscous to blackish; legs testaceous and antennae brownish-yellow.

Front view of head as in figure 9, c; malar space equal to one-third height of eye; hairs on frons evenly spaced, forming a column on each side extending from base of antenna to anterior margin of clypeus; lateral margin of clypeus with three fine hairs; anterior margin of clypeus with several short hairs evenly spaced. Surface of mandible with four hairs near apex and three hairs close to base. Segments of antennal club striate and elliptical; antennal segment 1 conical and segment 2 subcylindrical, 2 slightly shorter than 1; segment 3, 1.5 times longer than 2; segment 4 equal in length to 2; segments 5 and 6 equal in length; segment 7 equal in length to 4. Pronotal plate T-shaped, upper part crescent-shaped, 1.5 times as broad as deep, a slight emargination on median dorsal margin. Posterior pronotal margin with a row of evenly spaced hairs. Mesonotum with scattered minute hairs. Metapleuron with two hairs on posterior part of dorsal margin. Apical portion of lateral bar acuminate, reaching three-fourths distance of cup. Scutellar disc punctate; scutellar cup ovate, 1.5 times as long as broad, two minute pits at anterior part of lateral margin and a large, deep pit at posterior end. Wing whitish hyaline, fewer cilia near its base. Propodeum with two parallel raised lines; adjacent areas of raised lines with long white hairs. Abdomen 1.25 times as long as broad. Tergites 3 and 4 visible. Length 1.5 mm.; forewing 1.7 mm.

Male: Unknown.

Holotype, female (US 66366), Sonsorol Is., Caroline Is., Sept. 13, 1952> Krauss. Paratypes (CM, BISHOP), 2 females, Saipan, southern part, Apr. 21, 1945, in decaying Pandanus fruit, Dybas; female, Saipan, As Mahetog Area, Mar. 4, 1945, on Pandanus, Dybas.

Other specimens: Female, Pt. Oca, Agana, Guam, at light, May 28, 1945, Bohart and Gressitt; female, Peleliu, July 31, 1951, “Parasite on phorid feeding on dead Oryctes larva,” Gressitt.

P. ( Pseudeucoila ) weldi is closely related to P. (Hexamerocera) kiefferi Ashmead (US, type no. 8445) from the Philippines, but differs in the whitish transparent forewing and fuscous to blackish body as compared with brownishyellow forewing and entirely black body in kiefferi.