4 12 ENTOMOLOGICAL NEWS [Nov., '15 



Abdomen. The three basal segments of the dorsum entirely black 

 and the three apical ones clothed with ferruginous pile. Venter black 

 except for the ferruginous hair fringing the apical margin of the fifth 

 segment and clothing the sixth. 



Wings. Very dark, with violaceous reflections. 



Legs. Coxae, trochanters, femora, fore and middle tibiae and cor- 

 bicular fringes (hairs) all black. 



Dimensions. Length, 18 mm. to 19 mm. ; spread of wings, 45 mm. 

 to 46 mm. 



The other two queens before me show a marked variation 

 from the typical form, and I here establish two color variants 

 on the characters shown by them : 



Color Variant i. Like the typical queen, but with the fourth dorsal 

 abdominal segment clothed entirely with black pile, the fifth dorsal 

 segment with considerable black hair on its middle portion, especially 

 toward the base, and the clothing of the epipygium black except on 

 the extreme sides. 



Queen from El Jicaro, Yera Pas, Guatemala (Champion). 



Color Variant 2. Like the typical queen, but with the fourth dorsal 

 abdominal segment clothed entirely with black pile, the fifth segment 

 entirely dark except for a touch of light ferruginous hair on each hind 

 corner, the epipygium entirely dark except for a few scattering fer- 

 ruginous hairs on the sides, the fifth ventral segment with no apical 

 fringe of ferruginous hairs, and the hypopygium without ferruginous 

 clothing except at its very apex. 



Queen from San Geronimo, Guatemala (Champion). 



Bombus (Bombias) weisi Friese. 



A male before me, collected by C. H. T. Townsend at Huas- 

 caray, Peru (6,500 ft.), because of its structural characters, 

 its form and the character of its pile, seems to me to represent 

 a male color variant of this species. It differs strikingly from 

 the typical male described by me in "The Bombidae of the New 

 World," in the following respects : 



General color much darker; occiput of head with mostly black pile; 

 face with much black hair admixed, especially around and above the 

 bases of the antennae ; dorsum of thorax with a very broad black 

 band between the bases of the wings, a narrow band of yellow run- 

 ning across the front and the scutellum bearing a considerable hind 

 border of yellow hair ; pleura and sides of median segment with 

 entirely dark pile; second dorsal abdominal segment with entirely 

 dark pile ; a few scattering white hairs present on the sixth and 

 seventh dorsal segments ; the legs with no yellow pile ; the wings 

 rather dark. 



