DIRCAA. 83 
Dolotarsus, Jacquelin Duval, Gen. Col. Europ. iii. p. 891 (1859-1868). 
Hypulus (Paykull), Horn, Trans. Am. Ent. Soc. xv. p. 89 (1888) (nec Lacordaire, Jacq. Duval, 
Gemminger and Harold, &c.). 
Numerous species of this genus have been described, most of which are from Europe 
or North America; one is known from Japan and one from Brazil. We have to 
enumerate four from Central America. The name Dircwa having long been in general 
use, the substitution of Hypulus for it (and of another name for Hypulus) as recently 
adopted by Dr. Horn (op. cit.) is not here followed. The maxillary palpi vary a little 
jn the shape of the joints in each of the species here noticed; in one, D. longicornis, 
the second joint is comparatively very elongate. 
* Prosternal episterna limited anteriorly by an oblique keel; antenne only moderately 
long ; hinder tibie not transversely ridged on their outer edge. 
1. Dircea mexicana, (Tab. IV. fig. 12, 2.) 
Very elongate, cylindrical, a little flattened above, varying in colour from ferruginous-brown to dark brown, 
opaque, the entire upper surface very finely, uniformly, and densely punctured, and densely clothed with 
short brownish or fulvous pubescence. Antenne in the male moderately long and slender, and with the 
outer joints much longer than broad, in the female shorter and stouter, ferruginous; maxillary palpi very 
long, the apical joint very elongate and securiform, and nearly twice as long as the elongate-trian- 
gular second joint, the third joint rather narrower than the second; prothorax obliquely narrowed 
anteriorly, the sides margined from the base to beyond the middle, the dise often with one or two 
almost obsolete depressions on each side and a fine, slightly raised, central line, and sometimes feebly 
impressed in the middle before the base, the base strongly bisinuate; elytra without trace of shallow 
longitudinal grooves or cost, the punctuation uniform throughout (or, rarely, a little more rugose at - 
the base on each side of the scutellum, but not at the shoulders), the apices obtuse; beneath finely and 
densely punctured and densely pubescent; prosternal episterna limited anteriorly by a sharp oblique carina 
extending from the anterior edge of the prothorax to the anterior coxe, the latter with the lateral 
cavities closed; legs ferruginous, the outer edge of the four hinder tibise without transverse ridges; 
apical margin of the fifth ventral segment arcuate-emarginate in the middle, and the anterior tarsi broadly 
dilated, in the male. 
Length 12-20 millim. (¢ @.) 
Hab. Mexico, Cordova (Sallé, Hoge), Jalapa (Hoge); GuateMaLa, Coban ne) 
Nicaragua, Chontales (Belt). 
Var. The marginal carina of the prothorax more sharply defined and prolonged anteriorly, and extending 
along the apex nearly as far as the inner limit of the eyes. (¢ 9.) 
Hab. Nicaraeva, Chontales (Belt, Janson). 
Var. The prothorax more rounded and less narrowed at the sides anteriorly, more convex in front, the surface 
granulate on the anterior portion of the disc; the rest as in the type. ( 9.) 
Hab. Nicaraeva, Chontales (Belt). 
Numerous examples. This species is allied to the Brazilian D. lineata (Perty), but 
may be at once known from it by its unicolorous surface, more even thorax, obtuse 
inner apical angles of the elytra, and other particulars. As in D. lineata, the prosternal 
episterna are limited anteriorly by a very sharp oblique carina. Of the North-American 
MM 2 
