N0 - 3622 STRATIOMYIDAE — JAMES 3 



only a small patch of micro trichia at apex; alula devoid of microtrichia 

 except anteriorly. 



Abdomen black with dark blue-green reflections over most of its 

 surface; dorsally with long, erect black hairs and short semi-erect 

 black pile; some pile on posterior angles of first tergum whitish; a 

 silvery tomentose spot on each anterior angle of fourth and fifth 

 tergum; venter with abundant short, semi-erect whitish pile. Geni- 

 talia as in figure 1; dististyli conically tapering; guards of aedeagus 

 extending well beyond intromittent organ, which is blunt apically. 

 Length 8.5-9.0 mm. 



Female. — Frons narrow, at narrowest 0.11 to 0.12 head width, 

 almost parallel sided but widening toward antennal bases; lower 

 part of frons, including callus and area below reaching ventrad just 

 below antennal bases, brownish yellow. No black pile on head; frons 

 and vertex, including ocellar triangle and area between it and each 

 eye, with dense pale yellow tomentum. An extremely narrow, low 

 carina extending along midfrontal line about half way or more to 

 callus; lower frons depressed medially below callus. Occipital orbits 

 narrowly but uniformly developed, about one-half width of frons, and 

 wholly pale yellow r tomentose. Pile of eyes very short. Thorax as in 

 male but without erect black hairs and without the black-tomentose 

 median vitta discretely separated. Scutellar spines more robust, 0.65 

 to 0.75 length of scutellum, usually wholly black or bluish black, 

 sometimes becoming brownish yellow apically. Stigma somewhat 

 more brownish than in the male, but still pale; membrane with ;s 

 slight tendency toward browning. Abdomen more bluish than in 

 male, with lateral silvery-tomentose area on third as well as fourth 

 and fifth terga, these patches slightly more conspicuous than in 

 male. Ovipositor brown, dull, with very short stiff black hairs; cerci 

 yellow. Length 5.0-9.0 mm. 



Color of eye in life. — Male: Scarlet in ground color with distinct 

 narrow median w T edge of brassy green; also one or two faint brassy 

 green wedge-shaped marks in lower half and sometimes a faint 

 anterior area of brassy green in upper half (fig. 8). 



Puparium.— A dorsal view of the head and prothorax is shown 

 in figure 7. 



Distribution. — Dominica, Lesser Antilles. 



Holotype. — c? with puparium, Clarke Hall, Nov. 12-17, 1964, 

 P. J. Spangler type no. 69516, USNM. 



Allotype— 9, Clarke Hall, Mar. 21-31, 1965, malaise trap, W. 

 W. Wirth. 



Paratypes. — 2 c?d\ 1 9, all witli puparia, same as holotype; 

 11 99, same as allotype but Jan. 8 to Feb. 20; 5 99, Clarke Hall, 

 May 21 to June 2, 1966, G. Steyskal; 1 9, South Chiltern, Dec. 8-10, 



