REPORT OF THE STATE ENTOMOLOGIST I907 



361 



composed of i6 or 17 segments. Mesonotum dark reddish 

 brown with snbmedian lines indistinct, yellowish. Scutellum 

 reddish yellow, postscutellum reddish brown. Abdomen shiny, 

 rather dark reddish brown. Other colorational features practically 

 as in the opposite sex. 



Bred June 19, 1884, from fruit of J u n i p e r u s c a 1 i f o r n i c a 

 taken at New Indria, Cal. Type C. 1049. 



Fig. 36 Sackenomyia acerifoiia, fifth antennal segment and palp, much enlarged. 

 (Original) 



Fig. 37 Sackenomyi; 

 (Original) 



of ovipositor, much enlarged. 



SACKENOMYIA n. 



The antennae are composed of twelve segments ; the palpi arc 

 triarticulate, and the claws are simple. This genus is easily dis- 

 tinguished by the short ovipositor with the sickle-shaped blade 

 [fig. 37] projecting dorsally from the- posterior extremity. Type 

 Oligotrophus acerifolius Felt. The wing is shown on 

 plate 36, figure 2. 



