Cimicide. 195 
latter clothed with short pale semi-adpressed hairs ; antennze 
with the second joint often pale in the middle, or in the 
brachypterous form entirely pale, except at the extreme base 
and apex; pronotum with a well-defined anterior collar, 
whence the sides are rounded and narrowly reflexed, pos- 
teriorly they are simply carinated, base widely and deeply 
sinuate, disc with a curved transverse central impression, the 
base behind it transversely rugose; scutellum black, finely 
punctured, with a few transverse lines near the apex; 
elytra brownish-black, clavus and corium inwardly paler, 
sides of the corium reflexed, a triangular spot at the base 
and a small transverse spot just above the cuneus whitish ; 
in the undeveloped form with only the triangular basal 
spot; the membrane in the developed form is dusky, with 
the base and a spot below the apex of the cuneus hyaline; 
legs, femora black, tibize and tarsi testaceous. 
L. 3 mm. 
Generally distributed and common on oak and other 
trees. 
ELATOPHILUS, Reut. 
Differs from Temnostethus in the longer head, which is 
more than twice as long as its width between the eyes, 
longer and more swollen behind the eyes, and more sud- 
denly constricted behind the swelling; rostrum shorter, 
reaching only to the middle of the mesosternum; _pro- 
notum at the sides with scarcely any apical constriction, 
base very shallowly and widely sinuate; elytra always 
complete ; canal of the odoriferous sac long, bent at nearly 
right angles, and almost reaching the apex of the meso- 
sternum. 
We have only one out of the five Palarctic species, 
E. nigricornis, Zett—Head and pronotum black, 
shining; face narrowed in front; antennz entirely black, 
first joint hardly extending to the apex of the face, second 
joint as long as the third and fourth together ; pronotum 
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