72 



U.S. NATIONAL MUSEUM BULLETIN 2 68 



Plant kecord. — Chrysothamnus nauseosus (Nevada). C. viscidi- 



jlorus typius (California). Eriogonum sp. (Ai-izona, California, Oregon). 



E. gracile (California). Melilotus alba (Nevada, Oregon). Solidago 



sp. (Oregon). Helianthus annuus (Oregon). Yarrow {Achillea) 



(Nevada). 



39. Eucerceris zimapanensis, new species 



Fgures 47, 97 a, b, c 



Male. — ^Length 14 mm. Black and ferruginous with yellow mark- 

 ings; punctation average; pubescence short. 



Head subequal in width to the thorax; background color black 

 except for a large dark ferruginous area on the gena and yellow which 

 covers the face exclusive of the black vitta through the antennal 

 scrobes; clypeal border with three denticles, the medial one the 



Figure 47. Central Mexico. E. zimapanensis, 

 new species 



largest; mandibles without denticles, ferruginous with darker apices; 

 antennae normal in form, basal segments ferruginous, apical segments 

 fuscous. 



Thorax black except for the band on the pronotum extending onto 

 the posterior lobe, an angular patch on the pleuron, two small lateral 

 spots on the scutellum, the metanotum, large patches on the 

 propodeum and a patch on the tegula, all of which are yellow, fer- 

 ruginous areas include most of the scutellum and the borders of 

 most of the yellow markings including the tegulae; tegulae normal 

 in form; enclosure largely smooth but with a medial groove and 

 short adjoining ridges and with a few scattered lateral punctures; 

 mesosternal tubercles lacking; legs ferruginous with a slightly darker 

 area on the hind tibiae, small yellow spots on the fore coxae and 

 limited fuscous on all coxae; wings subhyaline with a darker area 

 along the anterior portion, 2nd submarginal cell not petiolate. 



