WYEOMYIA DRAPETES 109 



Male. Proboscis as in the female, with a pale-brassy luster beneath. Palpi 

 short, about one-seventh as long as proboscis, clothed with rather coarse silvery 

 scales throughout. Antennae similar to those of the female, the joints with a 

 secondary apical whorl of short hairs, hairs of basal whorls longer and more 

 abundant than in the female. Coloration as in the female. Wings with vesti- 

 ture slightly sparser than in the female. Abdomen rather long, subcylindrical, 

 compressed, expanded at tip, the terminal hairs divided into four groups, scales 

 raised along mid-ventral line. Legs with front tibiae bright bronzy beneath, 

 their apices and the tarsi with a brassy luster ; mid legs with a pale-brassy luster 

 beneath throughout, somewhat shorter than anterior ones, the tarsi curved 

 inward in an arc, tip of third, all of fourth and fifth joints with a pale-brassy 

 luster on upper side ; hind tarsi bright bronzy beneath. Mid tarsi with a single 

 claw, those of hind tarsi unequal; claw formula 0.0-0-0.0. 



Length : Body about 3.5 mm. ; wings 2.8 mm. 



Genitalia (plate 3, fig. 9) : Side-pieces stoutly conical, twice as long as wide, 

 a lobe at tip next to insertion of clasp-filament ; inner margin thickened in an 

 elliptical area ; three setae in a line below middle of side-piece. Clasp-filament 

 with a long, slender stem, the tip divided into three lobes ; outer lobe slender, 

 erect, with a hooked tip and row of sets ; middle lobe erect, slender, rounded ; 

 inner lobe projecting at right angles, rounded, bearing a row of setae on its 

 margin. Harpes slender, the tips bent and obscurely dentate. Harpagones and 

 unci forming small basal cones. Basal appendages represented each by a row 

 of four stout set?e. Penultimate segment with rounded lateral setose lobes. 



Mr. Jennings obtained the larvae in a hollow in the stump of a banana plant, 

 but did not preserve any larval skins. 



Costa Pica and Panama. 



Esparta, Costa Pica, one adult taken in a deep, wooded ravine, September 

 18, 1905 (F. Knab) ; Caldera Island, Porto Bello Bay, Panama, larvae in a 

 banana stump. May 29, 1908 (A. H. Jennings). 



The species was described from a single specimen taken in Costa Pica. We 

 have been unable to distinguish specifically the specimens from Panama bred 

 by Mr. Jennings. The two localities are somewhat remote, but their general 

 faunistic conditions are not especially different. The material is, however, too 

 scanty to base a positive conclusion upon. 



WYEOMYIA DRAPETES Dyar & Knab. 



Wyeomyia drapetes Dyar & Knab, Smiths. Misc. Colls., quart, iss., lii, 264, 1909. 

 Original Desckiption of Wyeomyia drapetes : 



Proboscis short, swollen at the tip. Occiput dark-scaled, the eyes with a margin 

 of white scales, widening into a spot on the vertex. Palpi white-tipped. Prothoracic 

 lobes dark-scaled with silvery white tip and base. Abdomen dark-scaled above, white 

 beneath, the colors separated on the sides in a straight line. Legs dark-scaled. 

 Wing-scales short, dense and cuneiform on the forks of the second, third, and fourth 

 veins. Length, 3.5 mm. 



Male similar to the female, the palpi entirely white-scaled; mid tarsi with the 

 outer half of the second and the last three joints pale brassy without. 



Three specimens, San Juan, Trinidad, British West Indies, larvae in bamboo 

 stumps, associated with Sahethes undosus Coq. (A. Busck). 



Type no. 12181, U. S. N. M. 



Description of Female and Male of Wyeomyia drapetes (Larva Unknown) : 



Female. Proboscis rather short, swollen apically, vestiture black, with slight 

 bronzy luster, brighter beneath, labellae small, rounded, with fine outstanding 

 setae. Palpi short, fiattened, one-fifth as long as proboscis, bronzy black, tips 

 broadly silvery. Antennse moderate, the joints slender, subequal, rugose, 

 coarsely pilose, black; tori subspherical, with a cup-shaped apical excavation. 



