272 MAINE AGRICULTURAL EXPERIMENT STATION. I9II. 



brown ; hairs yellow. Abdomen brown, base of hypopygium 

 and claspers (Fig. 151) dusky yellow. The hypopygium is 

 figured in Genera Insectorum, Fascicle 93, Plate 7, Fig. 9. 

 Coxse and flexor surface of femora and tibia yellow, other parts 

 of legs including spurs brownish, trochanters blackish ; claws 

 all similar, slender but slightly curved, basal tooth small. Wings 

 hyaline, grayish tinged, veins dusky yellow. (Fig. 183). Hal- 

 teres yellow, apex of knob brownish. Cal., Aug., (J.C.B.) ; 

 Two-gwo-tee-e Pass, Wyo., vSept. (W.M.W.) 



Female. Similar, but the yellow of the thorax is confined to 

 the humeri. Ovipositor paler brown, the lobes yellow. Wyo. 



8. Bolctina longicornis n. sp. 



Male. Length 4.5 mm. Head and face dark brown; palpi, 

 the scape and the base of the first flagellar joint, yellow, re- 

 mainder of flagellum brown ; intermediate segments over 5 

 times as long as wide. Thorax dusky yellow, the 3 dorsal 

 stripes dark brown ; the scutellum, the metanotum and the 

 lower half of the pleura, brownish ; hairs yellowish. Abdomen 

 dark brown, the posterior margin of the intermediate sclerites 

 yellow; hypopygium as figured (Fig. 152). Coxse and femora 

 yellow, the apical half of the former and the tibia dusky yel- 

 low, the tarsi and the tibial spurs brownish ; tarsal claws all 

 similar, each with basal teeth. Wings hyaline, grayish tinged, 

 veins dusky yellow (Fig. 184). Halteres yellow. Moscow, Id., 

 April. (J.M.A.) 



9. Bolctina notes'^ us n. sp. ' 



Male. Length 5 mm. Head dark brown, face. ,nouth ]);'rts. 

 and basal 1-3 of antennae. yellow, apical part of antenna brown; 

 intermediate joints scarcely twice as long as broad. Thorax 

 yellow, the 3 dorsal stripes reddish. Abdomen pale brown, 

 posterior segments darker, venter and posterior margins of the 

 intermediate dorsal sclerites yellowish ; hypopygium pale brown 

 resembling that of B. imitator but shorter in proportion to the 

 width, and with shorter and stouter forceps (Fig. T53). Coxse 

 and legs yellow, trochanters blackish, tarsi and tibial spurs 

 brown ; claws all similar, each with one strong and several 

 minor basal teeth. Wings grayish, hyaline ; veins dusky yellow 

 (Fig. 185). Halteres yellow. Ithaca, N. Y. June. 



