102 
Psyche 
[June 
the wing and again on the sternopleurae. The scutellum 
broadly whitish with a narrow brownish rim posteriorly 
and anteriorly. Halteres and squamae light brown. 
Abdomen black, with a large, oblong white spot in the an- 
terior corners of the second segment, a white posterior mar- 
gin on the second and third segments, the former noticeably 
thinned in the middle and wider in the posterior corners. On 
the posterior margin of the fourth segment there is only a 
minute median white spot. 
Legs black, with the narrow apices of the femora, the 
basal third of the tibiae and the hind femora basally, nar- 
rowly light-brownish to yellow. Wings entirely dark, with 
bluish and purplish reflections, the infuscation slightly di- 
luted on the extreme posterior edge. 
Type, a female, Tallulah, Louisiana. This remarkable 
species mimics certain of the bluish wasps. Type in the col- 
lection of the author. 
Explanation of Plate 9. 
Fig. 
1 . 
Fig. 
2. 
Fig. 
3. 
Fig. 
4. 
Fig. 
5. 
Fig. 
6. 
T enthredomyia mime n. sp. 
Polybiomyia f estiva Hull. 
Polybiomyia reinhardi Hull, showing ventral abdominal con- 
cavity. 
Cerioides aldrichi n. sp. 
A species of wasp, Eumenes bollii Cress., which P. reinhardi 
greatly resembles. 
Polybiomyia reinhardi Hull, showing pollinose lunulas of ab- 
domen. 
