86 COLORATION IN POLISTES. 



streak through the middle of the wing, and most of the second submarginal cell 

 subhyaline ; stigma, costal vein from the stigma to the base, and the nervures at 

 the base of the wing fulvous, the rest black. Length i8 mm. 

 Hab. — New Mexico. 



P. anaheimensis Prov. 



Female. — Black with yellow spots ; clypeus, mandibles, front, orbits, an angular 

 band above the antennae, and cheeks yellow ; antennae beautifully honey yellow 

 without any spot. Thorax black ; anterior and posterior border of the prothorax, 

 teguke, spot on the sides, a line under the hind wings, the borders of the scutellum 

 and postscutellum, and two longitudinal lines on the metathorax yellow. Abdo- 

 men sulphur yellow ; all the segments with a black band at the base ; the band on 

 the second and third segments is prolonged into a triangular point in the middle ; 

 the basal segment is black with the top yellow, and a lateral yellow spot contiguous 

 to the apical band. Feet yellow, coxae and two-thirds of the femora, with a spot 

 on inside at end of hind legs, black. Wings smoky yellow, nervures brown. 



Male. — Abdomen almost entirely yellow, having only a narrow black line at the 

 base of the segments. Length 17-18 mm. 



Hab. — Anaheim, Cal. 



P. nestor (Fab.). 



Fuscous ; front yellow. Head fuscous, front and mouth widely yellow ; antennae 

 black, ferruginous beneath. Thorax fuscous, with the anterior margin, two very 

 fine oblique lines on the front, and two abbreviated lines under the scutellum 

 yellow ; scutellum ferruginous. Abdomen ferruginous, a black spot at the base of 

 each segment and the margin yellow. Feet ferruginous. Wings ferruginous ; a 

 little larger than Vespa inarginalis. 



Hab. — North America. 



P. apachus Sauss. 



"Ferruginous, much marked with yellow. Abdomen subdepressed, ovoid; 

 segments bimaculate with sulphur-yellow ; mesothorax marked with two sulphur- 

 yellow lines. Wings ferruginous." 



Hab. — New Mexico and Sonora (Sauss.). 



P. carolinus (Linn.). 



Saussure, who examined the type of Linnaeus, in London, states that the species 

 which was originally put into the genus Vespa is a true Polistes, and is as long as 

 Vespa crabro. His description is as follows : 



' ' Front yellow. Thorax ferruginous, with three black longitudinal lines. Abdo- 

 men sessile, ferruginous ; fore wings blackish, hind wings hyaline." 



Saussure further states that the species resembles P. bicolor, of South America, 

 more or less, but with two yellow lines on the thorax and with the antennae brown. 



Hab. — Carolina. 



P. comanchus Sauss. 



Moderately stout ; margin of the clypeus rounded, not acute, dentate. Head 

 ferruginous, vertex and middle of antennae black. Thorax black, bordered in 

 front with ferruginous. Abdomen golden-yellow, the segments margined with 

 yellow, base of the first black. 



Hab. — New Mexico. 



