no ENTOMOLOGICAL NEWS. [April, '05 



22. Face whitish or yellowish 23 



Face black 26 



23. Mesonotum with four grey pollinose, posteriorly abbreviated, vittae, 



trigramma Loew. 

 Mesonotum not so marked 24 



24. Legs yellow, hind femora and hind tibiae somewhat brownish 



incipiens Will. 

 Legs largely black or dark brown 25 



25. Vertical triangle shining hilia Loew. 



Vertical triangle greyish pollinose . fur Will. 



26. Tibiae wholly yellow nana Will. 



Tibiae not wholly yellow 27 



27. Third and fourth veins divergent longipes Loew. 



Third and fourth veins parallel carbonaria Loew. 



Oscinis minor n. sp. 



Head yellow. Vertical triangle reaching only half way to antennae, 

 containing a black ocellar dot ; third antennal joint orbicular, its apex, 

 with the arista, black. Mesonotum largely yellow, sometimes blackish 

 posteriorly, and in one specimen, wholly black, thinly pollinose, and with 

 a few black bristles laterally ; pleura yellow, in the dark form with a 

 blackish spot above middle coxae ; scutellum usually wholly, sometimes 

 only apically, yellow, with a pair of small black bristles ; halteres yellow. 

 Abdomen black, hind margins of segments yellow ; venter variegated. 

 Legs yellow, hind tibiae centrally, and tips of all tarsi, blackish. Wings 

 hyaline, third section of costa two-thirds length of second, third and 

 fourth veins nearly parallel. 



Four specimens. Opelousas, La. March. 



Oscinis nuda n. sp. 



Head yellow ; vertical triangle reaching half way to antennae, contain- 

 ing a black ocellar dot, eyes bare. Mesonotum yellow, with four, broad, 

 brown vittse, and an additional narrow one above base of wing ; lateral 

 bristles black. Pleura yellow, with a small black spot above middle 

 coxae. Scutellum oval, yellow, and with an apical pair of small bristles. 

 Metanotum black ; halteres yellow. Abdomen yellow, hind margin of 

 segments narrowly black. Legs yellow, tips of tarsi black. Wings 

 hyaline, third section of costa one-half as long as second, third and fourth 

 veins nearly parallel. Length 1.8 mm. 



Four specimens. Tipton, Ga. October. 



Oscinis ovalis n. sp. 



Head yellow ; vertical triangle deep, reaching nearly to the antennae, 

 containing a black ocellar dot ; eyes pubescent. Mesonotum yellow, 

 lateral margins and the narrow longitudinal vittae brownish black ; lateral 

 vittae black ; pleura yellow, with an elongate, black spot above middle 



