46 



U.S. NATIONAL MUSEUM BULLETIN 2 68 



charis glutinosa (Arizona, Texas, Mexico: Chihuahua). Buddleja 

 scordioides (Texas). Croton corymhulosus (Tex&s). Dodder {Cuscutas,^.) 

 (Texas). Eriogonum sp. (Arizona). E. annuum (Texas). Eysenhardtia 

 polystachya (Mexico: Jalisco). Guardiola tulocarpa (Mexico: Durango). 

 Koeberlinia sp. (Texas). Lepidium thurberi (New Mexico). Melilotus 

 alba (Arizona, Utah) . Prosopis julijiora (Texas) . Sartiwellia mexicana 

 (New Mexico). Solidago sp. (Texas). 



Figure 27. Western U.S. E. montana Cresson 



Figure 28. Western Mex- 

 ico. E. montana Cresson 



24a. Eucerceris morula albarenae, new subspecies 



Figure 29 



Female. — Length 12 mm. Black and ferruginous with creamy 

 white markings; punctation average; pubescence very short. 



Head one seventh wider than the thorax; black except for large 

 frontal eye patches, large patches on the medial and lateral lobes 

 of the clypeus, a constricted patch between the antennal scrobes, 

 an elongate patch back of the eye and a spot on the base of the man- 

 dible, all of which are creamy white; limited amiounts of ferruginous 

 border the light patches back of the eyes, cover much of the man- 

 dibles and the more basal segments of the antennae; clypeal border 

 divided into an upper and a lower portion on the medial lobe, single 

 low denticles are located at the fusion of the medial lobe with each 

 lateral lobe, a pair of dentciles is at the meson of the upper portion 



