88 
Psyche 
[ June-September 
is black, with short golden pubescence on the posterior 
half of the prothorax and anterior half of the elytra. The 
latter are distinctly constricted in front of the middle, 
where they have on each side an oblique ivory yellow and a 
larger black fascia. The golden pubescence anterior to the 
constriction is sparse, like that on the prothorax, but the 
convex posterior portion is covered with dense, longitudinal 
appressed pubescence of a brilliant golden hue. There is a 
Figures 1 and 2. 1. Camponotus sericeiventris rex var. semirex. 
2. Eplophorus velutinus Fisher. 
pair of lateral, velvety black spots on the prothorax, and 
the tibiae, especially the hind pair are peculiarly flattened 
as in the ant. The beetle’s head and prothorax together 
represent the ant’s head, with the pair of black spots simu- 
lating the eyes, and the elongated third joint of the an- 
tennae the scapes ; the anterior portion of the elytra resem- 
bles the ant’s thorax and the posterior portion its gaster. 
The ivory and black fasciae give the illusion of the pro- 
nounced constriction at the ant’s petiole. As in other cases, 
