162 



U.S. NATIONAL MUSEUM BULLETIN 27 7 



Allotype: Female, same data, 30 July 1952, Sc20-22. 

 Other specimen seen: 1 cf, Lowden, Washington; 22 June 1921 

 (A. L. Melander) (USNM). 



Genus Caenoneura Krober 



Caenoneura Krober, 1923, p. 75. 



Type-species, Caenoneura robusta Krober (monobasic). The genus 

 Caenoneura Krober is distinguished by the peculiar wing venation 

 which is crowded to the leading edge of the wing. Both members of 

 this genus come from the circum-Mediterranean area. 



112. Caenoneura robusta Krober 



Figure 110 



Caenoneura robusta Krober, 1923, p. 75. 



This species is easily recognized by the peculiar venation of the 

 wing with all of the R veins and Ml + 2 ending in the leading edge 

 of the wing. The male has scalelike hairs on the frons and ©cellar 

 triangle and five white bands on the abdomen. 



Figure 110. — Caenoneura robusta Krober, male: a, wing; b, c, lateral and frontal aspects of 

 head (note scale-like hairs); (^, enlarged detail of antenna; e-g, ventral, lateral and posterior 

 aspects of terminalia. 



