1913] Barnes and McDunnough — Wes'ern Catocala ldo 



now appear as border lines to three pale ochreous stripes; dorsal stripe broadening 

 to the usual diamond shaped patches and with central dark line, thickening in these 

 same patches; small dark transverse tubercle on 5th abdominal segment; dorsal 

 protuberance on the 8th abdominal segment with large conical flesh-colored tuber- 

 cles; 9th segment similar but smaller. Length, 18 mm. 



Stage IV. Head pale with V mark and central dash as before; apex of lobes 

 tinged with orange; cheeks bordered by a double black curved line. Body pale 

 gray, the markings essentially as before but fainter, the black border-lines broken 

 up into dots, the lateral stripes most marked between prolegs of 5th and 6th abdom- 

 inal segments, the ground color being here somewhat darker; dorsal wart on 5th 

 abdominal segment small, shaded with blackish; tubercles orange, II on the 8th 

 abdominal segment large, extended backward and situated on a prominence. 

 Beneath white with black central patches. Length, 30 mm. 



Stage V. Head pale purple-gray, apex of lobes white, slightly lined with orange- 

 red and purple, the white color extending down cheeks frontally in irregular lines; 

 a black lateral border line to cheeks shaded inwardly with orange. Body deep 

 gray, smooth, heavily dotted with black; stripes of the previous stages fairly dis- 

 tinct; tubercles small, brick-red, tubercle II on 8th abdominal segment large, 

 situated on prominence; wart on 5th abdominal segment small dusky; an och- 

 reous subspiracular stripe between prolegs of 5th and 6th abdominal segments, 

 shaded dorsally with deep smoky gray; filaments whitish. Beneath white with 

 the usual dark central patches. Length, 40 mm. 



Food-plant: Buds and catkins of burr-oak. 



The species may at once be separated from the preceding by 

 the lack of the prominent hump on the 5th abdominal segment 

 and the presence of an ochreous patch between prolegs of 5th and 

 6th abdominal segments. It coincides with beutenmuelleri in 

 its general habits. The parent moth was captured at Provo, Utah. 



Catocala desdemona Edw. 



Ovum. Pale yellowish, very finely ribbed with numerous branching ribs, hemi- 

 spherical; micropylar area slightly raised, circular. 



Stage I. Head brownish; body pale gray with fairly large black tubercles and 

 brown lateral patches on abdominal segments 1-4 tending to broaden into trans- 

 verse bands; three brown lateral lines and traces of three further lines below these 

 the upper two of which are only visible behind the lateral brown patches. Beneath 

 pale with central brown blotches. Length, 6 mm. 



Stage II. Head gray with curved black line in frontal portion of check curving 

 outward toward apex of lobes; central black line on clypeus. Body gray with 

 pale germinate dorsal stripes bordered with dark brown and tending to coalesce; 

 two pale lateral stripes similarly bordered; a third subspiracular one; a faint 

 brown line defines the pale ventral area; traces of the dark lateral patches still 

 present. Length, 13 mm. 



Stage III. Head pale gray slightly tipped with orange; dark \Y mark in frontal 



