3l8 MAINE AGRICUIvTURAL EXPERIMENT STATION. I9II. 



Var. a. Male and female. Length 3 mm. Humeri, pleura 

 largely, venter and sides of the second to fifth abdominal seg- 

 ments, and sometimes hind margins of dorsal sclerites also, 

 yellow. Prince Co. Wis., Chicago, 111., (W.M.W.), Longmire's 

 Springs, Wash. (J.IM.A.) May to Aug. 



6. Allodia elata n. sp. 



Male. Length 2.5 mm. Head dusky yellow; basal joints of 

 antennae, palpi, and face yellow, apical half of antennae sub- 

 fuscous, hairs pale. Thorax yellow, scutellum, metanotum and 

 2 narrow converging stripes on mesonotum, brown ; hairs pale, 

 setae black ; 4 marginal setae on scutellum. Abdomen yellow, 

 a longitudinal dorsal stripe and the greater part of the fifth and 

 sixth segments, dark brown; hypopygium (Fig. 132) yellow. 

 A row of 4 to 6 fine blackish setae just over the base of the fore 

 coxae. Coxae and legs yellow, tibial spurs and tarsi brown; fore 

 metatarsus about 7-8 of tibia in length ; one posterior basal hind 

 , coxal seta. Wings yellowish hyaline; subcosta curved toward 

 but not reaching Ri, cubitus forks proximad of the proximal 

 en 1 of the crossvein. Halteres yellow. Fall River, Mass., 

 (N. S. Easton) May. . ' ■ 



Female. One specimen from Hampton, N. H. (S. A. Shaw) 

 differs in being paler, abdominal markings pale brown, setae 

 over fore coxae paler. 



Var. a. Female. Mesonotum subfuscous, tergites fuscous 

 except hind margins. Blue Hills, Mass. (C.W.J.) July. One 

 specimen. 



Var. b. Female. Head, flagellum, thorax and abdomen 

 fuscous, venter aiid narrow hind margins of tergites yellow. 

 St. Johnsbirv, Vt. (C.W.J.) June. One specimen. A'ar. a and 

 b may possibly be distinct species. , 



7. Allodia hella n. sp. 



Male. Length 2.5 mm. Head and antennae brown ; face, 

 palpi, scape and base of flagellum yellow ; antennae about 1-4 

 longer than the head and thorax united. Thorax reddish yel- 

 low, mesonotum with 3 brown stripes more or less confluent; 

 scutellum reddish, with 4 setae, metanotum and margin of meta- 

 pleura, brown; 2 setae over the base of the fore coxae. Abdo- 

 men dark brown, the venter of the first 4 segments yellow; 



