NATURAL SCIENCES OF PHILADELPHIA. 393 



3. Exochus pulchripes. 



Exochus pulchripes, Cress., Trans. Am. Ent. Soc, ii. p. 38, %. 



Orizaba. 



Genus METOPIUS, Panz. 



1. Metopius femoratus, n. sp. 



% Black, with a short, pale j^ellow, subserieeous pubescence ; 

 face, anterior orbits, palpi, base of antennae beneath, tegulae except 

 base, line before, a short one beneath, two obscure lines on poste- 

 rior middle of mesothorax, tip of scutellums, longitudinal mark 

 on each side of metathorax, large, irregular mark on pleura ante- 

 riorly, four anterior legs, posterior trochanters, base and apex of 

 their femora, their tibiae, base of their tarsi, first segment of abdo- 

 men except base, apical margin of the second, slightly interrupted 

 medially, apical half of third and fourth, and the remaining seg- 

 ments, except base more or less, all lemon-yellow ; antennae brown- 

 testaceous beneath, paler at base ; four anterior femora beneath, 

 tips of posterior tibiae, of all the tarsi, and base of first abdominal 

 segment, brownish ; wings subhyaline, broadly yellowish along 

 costa, marginal cell faintly dusky. Strongly punctured ; the 

 shield-shaped front bounded by a sharp carina; antennae nearly 

 two-thirds the length of body, filiform ; scutellum quadrate, flat, 

 sides strongly reflexed, and acutely and strongly produced behind 

 in shape of a tooth, apex of scutellum rounded ; metathorax with 

 obsoletely defined elevated lines ; legs short and rather slender, 

 the posterior femora short and much swollen ; abdomen long, 

 slightly thickened at base, strongly and confluently punctured, 

 first segment gibbous at base, apical margin of remaining segments 

 bisinuate. Length 5 lines. 



Cordova. A beautiful species. 



2. Metopias scutatifrons, n. sp. 



% Black, opaque, clothed with a short, thin, pale, subseriee- 

 ous pubescence ; entire margin of the shield-shaped front, spot 

 between antennae, sometimes upper margin of prothorax and apical 

 margin of scutellum, tip of first and apical margin of third and 

 fourth abdominal segments more or less, whitish; antenna brown- 

 ish beneath, paler at base; legs more or less brownish; wings 

 hyaline, marginal cell fuscous. Densely punctured, the abdomen 

 very coarsely so ; the shield-shaped front bounded by a very sharp 

 carina; antennae about as long as head and thorax, robust, fili- 

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