Ball — Neiv Genera and Species of Issidae (Fidgoridae). 45 



Dictyssa obliqua sp. iiov. 



Size and form of fenestrata nearly ))nt nincli darker, venation and ob- 

 lique band as in mntala nearly. Dark brown or black with an oblique 

 band and maru^inal spots on the elytra hyaline. Length, 3 mm. 



Vertex and pronotum black, the marijin.s pale. Median carina definitely 

 white lined, face I:)rown or pale brown, the carinae margined with fuscous. 

 Elytra black, an ()l)lique hyaline band from the posterior disc of clavus to 

 the middle of the corium, then angled to the costa as in mulata, the two 

 outer cells oval and smaller than those on disc. Entire margin of elytra 

 sparsely ornamented with pellucid dots, the largest ones around the apex. 



Described from twelve examples from Tia Juana, California, and Ti 

 Juana, Mexico, collected by the author. This is the only dark species of 

 the genus that has the oblique band. 



