NO. 2293. PARASITIC CHALCIDOID FLIES— TIMBERLAKE. 167 



length almost equal to the last three funicle joints combined. 

 Thoracic and abdominal structure as in affinis, except that the ovi- 

 positor is slightly sliorter. Wings practically as in affinis with the 

 subapical hyaline spot very slightly larger. Middle tibial spur 

 noticeably longer tlian the first tarsal joint (not or hardly longer in 

 other species). Sculpture practically the same as in affinis through- 

 out. Length of body, (1.40 to) 1.83; length of head, 0.62; width of 

 head, 0.62; width of vertex, 0.169; length of eye, 0.47; width of eye, 

 0.28; length of antennae, 1.46; width of mesoscutum, 0.62; length of 

 forewing, 1.51 ; width of forewing, 0.57; length of ovipositor, 0.19 mm. 



Coloration entirely like that of affinis except for the following par- 

 ticulars: Funicle more brownish black, the last joint white like the 

 club; legs paler, the front tibiae with hardly more brown than the 

 front femora, the front tarsi pale brown, the middle tibiae only 

 slightly brownish toward the base, the hind femora very slightly 

 brownish, the hind tibiae dark brown, the hind tarsi paler brown or 

 even yellowish brown: abdomen sometimes suffused with ^^ellowish 

 at the base of the dorsum and becoming almost blackish toward the 

 apex, the ovipositor sheaths hardly darker at the apex, 



Male. — Entirely similar to the female. Length, 1.44 mm. 



Described from four females, one male (type, allotype, and para- 

 types a-c), reared from a Scymnine larva associated with an Ortliezia 

 species on Hymenoclca. monogyra, Ignacio, Durango, Mexico, October 

 12, 1894 (C. H. T. Townsend), Insectary No. 6448". Three other 

 specimens of uncertain sex from the same series but much eaten by 

 pests may be considered metatypes. 



Type.~C2it. No. 22039, U.S.N.M. 



15. HOMALOTYLUS HYPERASPIDIS, new species. 



Plate 39, fig. 7. 



Female. — ^Head nearly circular in outline when viewed from in 

 front, being very slightly longer than wide, the width of the vertex 

 at the posterior ocelli a little over one-half the width of the frons at 

 the lower corners of eyes, the ocelli very nearly in an equilateral 

 triangle, the median ocellus being a trifle farther from either of the 

 posterior pair than the distance between the latter which are situated 

 at the usual distance from the occipital margin; e3"es noticeably 

 wider across the lower half. Antennal scape as long as the first 

 funicle joint together with one-half of the second; the first funicle 

 joint nearly one-half longer again than thick, the following joints 

 nearly equal and a little longer than thick; club as long as the last 

 two funicle joints together v/ith two-tliirds of the fourtli joint, solid 

 and strongly obliquely truncate on the inner side to or nearly to the 

 base. Mandibles with three short, rather blunt, and nearly equal 

 teeth. Thorax and abdomen of the usual structure, the ovipositor 



