. Annals of the Entomological Society of America. Entomology. 1913] North American Species of Megastigmus. 167 Dean, I have been able to examine the type of this species. It is a male Torymus. As the original description is rather brief I will publish a more complete description elsewhere. Megastigmus albifrons Walker. Megastigmus albifrons Walker. Trans. Ent. Soc. London, 1869. p. 314. Female.—Length, 5 mm.; abdomen, 2 mm.; ovipositor, 4 mm. (abdomen contracted in dr^dng). Head yellowish white, with many black punctures from which arise black hairs; on the middle of the face the hairs are yel


. Annals of the Entomological Society of America. Entomology. 1913] North American Species of Megastigmus. 167 Dean, I have been able to examine the type of this species. It is a male Torymus. As the original description is rather brief I will publish a more complete description elsewhere. Megastigmus albifrons Walker. Megastigmus albifrons Walker. Trans. Ent. Soc. London, 1869. p. 314. Female.—Length, 5 mm.; abdomen, 2 mm.; ovipositor, 4 mm. (abdomen contracted in dr^dng). Head yellowish white, with many black punctures from which arise black hairs; on the middle of the face the hairs are yellowish; an area including the ocelli and extending almost to the eye margin, black. Prothorax dull yellowish, the dorsum marked with a wedge-shaped black spot from the front comer of which a black line curves around along the lateral margin and almost reaches the posterior edge of the segment. Central lobe of the mesonotum black except along the lateral edge; lateral lobes brownish blackish in the center. Scutellum black except along side and at apex where it is yellowish brown. Axillae black in the center, surrounded by yellowish brown. Post scutellum yellowish white in the center, black on the sides. Propodeum black, yellowish white at the sides. Pleuras yellowish Fig. 9. Megastigmus albifrons, Anntenas brownish, scape yellowish at base and below. Legs yellowish brown; tarsi blackish at tip. Front wings hyaline with a distinct brownish spot adjoining the hind margin of the submarginal vein beyond the junction with the basal vein. Basal vein unusually distinct. Stigmal club surrounded by an indistinct clouded area scarcely discernible when viewed with a hand lens. Abdomen shining black above, spotted with dull-yellowish on the sides and below. Ovipositor black, the extreme tip yellowish. Male.—Length, 6 mm.; abdomen, mm. Head similar to female. Thorax dull yellowish marked with a black median line, enlarged in front on the prothorax, narrower on the median lobe


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