44 U.S. NATIONAL MUSEUM BULLETIN 2 68 



22. Eucerceris mojavensiSf new species 



Figures 26, 80 a, b, c 



Male. — Length 1 1 mm. Black with creamy yellow and ferruginous 

 markings; punctation more limited than average; pubescence avery 

 short. 



Head subequal in width to the thorax; black except the entire 

 face exclusive of the antennal scrobes, an elongate patch on the gena 

 and basal two thirds of the mandibles, all of which are creamy yellow ; 

 ventral parts of the head, much of the gena, basal segments of the 

 antennae, and clypeal border are ferruginous; clypeal border with 

 three subequal denticles; hair lobe bristles not matted, extending 

 somewhat onto the medial lobe; mandibles without denticles; anten- 

 nae normal in form. 



Figure 26. Southwestern U.S. E. mojavensis, new species 



Thorax black except a band on the pronotum extending onto 

 the posterior lobe and the episternum, fom* stripes on the meso- 

 scutum each lateral pair fused anteriorly, a broad band on the 

 scutellum, the metanotum, patches on the tegulae, large patches 

 on the propodeum, a pair of wedge-shaped small patches on the 

 enclosure, most of the mesopleuron, all of which are creamy yellow; 

 tegulae normal in form; mesosternal tubercles absent; legs ferruginous 

 except for patches on all coxse and all trochanters, elongate patches 

 on the fore and mid femora, the fore and mid tarsi, and the apex 

 of the hind femora, all of which are yellow; wings subhyaline with a 

 clouded area along the anterior margin becoming darker apically. 



Abdomen with broad bands of creamy yellow on terga 1 to 5; 

 tergum 6 with a medial creamy yellow patch on a background of 

 ferruginous; venter ferruginous with bands on sterna 2 and 3, lateral 



