130 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



long, parallel sided, flat, wider than hind tibiae, somewhat incurved and 

 sinuated with its apex abruptly bent upward in the same plane and truncate. 

 Color, black; a line next eye from antennae to base of vertex, interrupted a 

 little before the base, a short line on anterior edge of pronotum, a broader 

 vitta on basal lobe of pronotum and a similar one on each humeral margin, 

 costal margin of corium, cuneus, rostrum and legs yellowish; knees with a 

 dusky spot; apex of tarsi black; genital pieces partly pale. Female paler, 

 with the antennae mostly pale. 



Described from two male and six female examples taken 

 by me at Santa Cruz, Calif., June 3, 1919. This species 

 could scarcely be distinguished from pacificus but for the 

 very distinct male genitalia. Orthotylus pacificus, described 

 from Victoria, B. C, I took at Northbend, Wash., July 9, 

 1920. 



I am dedicating the present species to my friend Mr. E. A. 

 Dodge of Santa Cruz, in recognition of his efficient work in 

 the cause of entomology and of his courteous assistance to 

 students of insects whose paths of effort are fortunate 

 enough to meet his. 



Holotype, male, No. 784, and allotype, female, No. 785, 

 Mus. Calif. Acad. Sci.; paratypes also in the Academy's 

 collection. 



Type locality, Santa Cruz, Calif. 



24. Orthotylus marginatus Uhler 



A more careful study of my material in this species and 

 dorsalis, in connection with additional specimens, has made 

 it necessary to correct my former assignment of the males 

 of these species. In his description of Cyrtorrhinus margin- 

 atus, Dr. Uhler has confused two species, a black form, 

 margined with pale but wanting the pale median vitta on 

 the pronotum and scutellum, and the species described below 

 as serus in which this vitta is present and which Dr. Uhler 

 mentions as a variation of marginatus. In my monograph 

 of 1916, I placed this as a variation of dorsalis, and by 

 some mishap, transferred the figure and description of the 

 male claspers in these two species. The dextral clasper of 

 marginatus, given as dorsalis (fig. 15), has its basal lobe 

 too pointed. Better cuts of the claspers of these and related 

 species will be published later. The true Orthotylus margin- 

 atus I have from Quinze Lake, Quebec, August 15, 1907, 



