1903] MELAXDER:— NORTH AMERICAN SPECIES OE iVEMOTELl/S l8l 



14. Nemotelus slossonae Johnson. 



Nemotelus slossonae ]o\-\\\^ow, Proc. acad. nat. sci. Phila., 1S95, p. 304. (O 

 Male. Face and vertical triangle black, shining ; facial protviberance very prominent, 

 conical ; frontal triangle brown. The upper portion of the eje with large facets brown, the 

 lower third with small facets blackish ; antennae dark brown. Thorax and scutellum black, 

 shining ; a narrow, light yellow lateral line extends from the humerus to the posterior 

 angle. Abdomen yellowish white ; a central mark on the first segment below the scutel- 

 lum, a dorsal triangle and a small spot near the lateral margin of the fourth, and the fifth 

 except a narrow lateral and posterior margin black ; in one specimen there is a minute brown 

 dot near the anterior angle of the third segment. Venter whitish. Legs black ; tip of the 

 femora, base and tip of the tibiae, and the tarsi whitish ; wings hyaline, whitish ; discal 

 cell emits four veins. 



Length 3 mm. 



Charlotte Harbor, Florida. March. (Mrs. Annie Trumbull Slosson.) (') 



This species also has the third longitudinal vein simple. (C. W. Johnson, 



15. Nemotelus acutirostris Loew. 



Neinolelw; acutirostris Loew, Cent, iii, 13. (0 



Female. Black, shining, clothed with fine whitish hairs, front marked on each side 

 with a white spot, face produced into a very long and sharp cone, the lateral line of the 

 thorax, the margin of the abdomen, and three pairs of spots white, legs whitish, basal half 

 of the femora black. Length of body i^ lines (3 mm.), length of wing same. 



Black, shining, clothed with short and fine white hair. Head concolorous, front 

 marked on each side with a white dot, face produced into a very long and sharp cone, often 

 fuscous above. Antennae black, the first two joints fuscous, rarely yellowish. A humeral 

 spot and a very slender lateral line on the thorax white. Margin of the abdomen white, the 

 second, third, and fourth segments each marked with two long white spots contiguous on 

 the hind margin. Venter often white, sometimes the lateral border and the last segments 

 wholly brown or blackish. Legs whitish, the femora often black except the tip, sometimes 

 also at the base dull whitish, posterior tibiae except the base and tip frequently darkened. 

 Wings whitish, the stronger veins pale yellowish. {Translation.) 



Cuba, Gundlach. (') 



16. Nemotelus immaculatus Johnson. 



Nemotelus immaculatus Johnson, Pi-oc. acad. nat. sci. Phila., 1S95, p. 304. (0 

 Male. Face and vertical triangle blackish; eyes of a dull brown color (probably much 

 lighter than in the living specimen) ; antennae yellow ; proboscis red, unusually long, with 

 an acute angle, the two portions thus formed being of almost equal length, the outer half is 



