REPORT OF THE STATE ENTOMOLOGIST 1904 457 



conspicuous dark brown submedian vittae becoming obsolete 

 posteriorly. Pleura rather sparsely clothed with silvery white 

 scales. Scutellum dark brown with a scanty median patch of 

 yellowish white scales, a scanty median apical group of golden 

 yellow setae and smaller lateral groups of the same character; 

 postscutellum smooth, dark brown. Halteres with the extreme 

 apex dark brown, basal portion silvery white. Abdomen dark 

 brown with distinct basal bands nearly obsolete on the median 

 line and well produced laterally, these on the fifth and sixth seg- 

 ments extending to the posterior fourth. Seventh segment scantily 

 and somewhat irregularly clothed with silvery white scales. Eighth 

 segment naked, dark brown, terminal lobes almost fuscous. Ven- 

 tral surface sparsely clothed with silvery white scales, nearly 

 absent on the median line ; venter of eighth segment naked. Coxae 

 brownish, sparsely clothed with silvery white scales; legs unhanded, 

 dark brown. Ventral surface and tip of femora yellowish; claws 

 unidentate. Wings with the cost a clothed with very dark brown 

 scales, the other veins somewhat sparingly ornamented with brown- 

 ish scales; fringe pearly gray. Petiole of first submarginal cell 

 about two thirds the length of the cell, that of the second about as 

 long as its cell. Posterior cross vein more than its own length from 

 the mid cross vein. 



Described from a freshly reared specimen taken at Nassau, May 

 10, 1905. 



Male. Proboscis uniformly dark purple, about two thirds the 

 length of the body. Palpi unicolorous, dark purple, about as long 

 as the proboscis and with moderate purplish plumes ; third segment 

 slightly capitate, about half as much longer as the third and fourth 

 combined, the latter somewhat dilated at the apical third. Anten- 

 nae about two thirds the length of the palpi, dark purple with 

 thick, purplish plumes shaded with gray; 13th and 14th segments 

 subequal, about as long as all the others combined. Occiput 

 rather sparsely and uniformly clothed with silvery yellow scales 

 and with numerous black, erect, fork scales posteriorly. Meso- 

 notum rather thickly and uniformly clothed with golden yellow 

 scales becoming white and sparse posteriorly. Pleura rather 

 thickly and irregularly clothed with large patches of silvery white 

 scales. Scutellum with a rather thick median patch of yellowish 

 white scales, a conspicuous apical group of golden yellow bristles 

 and smaller lateral ones of the same color; postscutellum smooth, 

 dark brown. Halteres, apical portion slightly fuscous, basal yel- 

 lowish transparent. Abdomen ■ dark purplish with conspicuous 

 fine lateral hairs and distinct basal yellowish white or white bands. 

 The latter is somewhat irregular, slightly prolonged laterally 

 specially on the sixth and seventh abdominal segments; eighth 

 nearly covered with silvery yellow scales. Basal clasp segments 

 dark purple and ornamented with several conspicuous brown setae. 

 Ventral surface purplish brown, sparsely clothed laterally with 

 silvery white scales. Coxae yellowish brown, sparsely clothed 

 with silvery white scales. Legs dark brown, unhanded; femora 



