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PROC. EXT. SOC. WASH.. VOL. 20. XO. 9, DEC., 1918 



of third vein bearing. a stump at its bend extending into second marginal 

 cell as in fig. 3: abdomen globose, much wider than thorax. Figs. -4 and 5. 

 Neochrysops globosus, new species. W. R. Walton. Female: Face and 

 front golden yellow, callosities shining pitchy black, a dark stain surrounds 

 the ocelli: palpi yellow, proboscis black. Antennae: first joint yellow, 

 second dark brown, third black, fading into brown at extreme base. Dor- 

 sum of thorax bearing three black subshining stripes on a golden yellow 

 ground: the median black stripe extends half way across the scutellum 



Fig. I. Structural details of Xeochrysops globosus Walton, new genus and 



species. 



which is also golden yellow. Abdomen fulvous, first to fifth segments in- 

 clusive each marked with a pair of black dots which decrease gradually 

 in size toward tip of abdomen; venter immaculate fulvous. Legs in large 

 part yellow, trochanters. tips of tibiae and tarsi black. Length 8 mm. 



Described from a. single female specimen deposited in the 

 United States National Museum. This handsome species was 

 collected by Mr. R. M. Fonts of the United States Bureau of 

 Entomology at Cabin John Bridge, Maryland. July 20. 1916. 



