136 



Dimensions. — 9 Length, 1.45 inches; elytra, 1.24 inches; posterior 

 femora, 0.87 inch long, 0.25 inch wide ; posterior tibiae, 0.73 inch.. $ Length, 

 1.05 inches. 



Maine (Packard) ; Connecticut (Norton) ; Massachusetts (Scudder) ; 

 Colorado, Dakota, Nebraska (Thomas) ; Carolina (De Haan) ; New York, 

 New Jersey, Florida, Rocky Mountains (Walker). 



<E. parviceps,* Walk., Cat. Dermap. Salt., IV, 732. 



Male. — Testaceous. Head small, slightly ascending; fore part whitish, 

 roughly punctured ; the two keels between the eyes connected at the tip 

 and joining the inner keels of the front; outer keels of the latter diverging 

 much toward the face. Prothorax short, flat, contracted, and transversely fui-- 

 rowed in front ; dorsal keel very slight, obsolete on the fore part ; hind 

 border rounded, slightly elongated. Abdomen a little longer than the hind 

 femora. Hind femora slightly pilose, and with two blackish bands above. 

 Hind tibiae whitish, much shorter than the hind femora, their spines broadly 

 black toward the tips. Elytra cinereous, somewhat shorter than the body, 

 with several blackish spots, which are of various sizes and irregularly placed ; 

 veins tawny. Wings pellucid; veins black, blue toward the base. 



Dimensions. — Length, 0.88 inch; expansion of elytra, 1.67 inches. 



West coast of North America (Walker). 



Although not positively stated to belong to the United States, I have 

 given the desciiption as it probaljly belongs to our insect-fauna. 



b. Of small size. Pronotum moderately divergent posteriorly ; median 

 carina cantinuous ; lateral carinas acute, not obliterated in front ; disk flat. 



•E, atrox, Scudd., Hayden's Geol. Surv. Neb., 253. 



Size small. Carvings of the head as in Qi. pellucida ; pronotum the 

 same, except that the median carina is cut, but not notched, a little in advance 

 of the middle. Elytra and wings a little longer than the abdomen. An- 

 tennse as long as the head and thorax. 



Qffor. — Head pale brownish-yellow ; the raised edge of the vertex 

 dotted worn fuscous ; a triangular, black spot behind each eye, the apex 

 touching the eye. Pronotum brownish-yellow, with a quadrate, black spot 



* 1 have not seen this species, therefore cannot determine its oosition with any 

 certainty. 



