326 ENTOMOLOGICAL SOCIETY 



brown, mottled with black crinkled lines and streaks, the ordinary lines 

 obsolete. Dorsally there is a brown shading that fills in the triangular 

 area marked out by the oblique shades when they are present; behind 

 these areas the black linings prevail. On the sides the black lines pro 

 duce diffuse patches laterally, and at the spiracles, on joint 12 forming a 

 dorsal dash. Spiracles black; feet pale, leg plates dusky. Tubercles 

 small, cornified, vi rather large; setae minute. Substigmatal band very 

 faintly outlined, broad, pale. 



Food plant not stated. Alameda Co., Cal. A. Koebele, No. 248. 



37. Plusiodonta compressipalpis Guenee. 



Head 2.3 mm., not retracted below joint 2, pale brown with a darker 

 brown spot behind the eyes which is circled by a similarly colored band 

 that starts behind vertex, borders clypeus and covers ocelli; clypeus 

 brown. Body purplish brown, the ordinary lines reduced to obscure pale 

 mottlings ; a large white blotch on joint 5 covering the back to the spiracles, 

 narrowed dorsally; another blotch on joints 7 to 9, oblique, starting in a 

 point dorsally on joint 7, covering most of 8 except ventrally anteriorly, 

 and ending at the foot on joint 9. Dorsal area of joints 9 to u slightly 

 tessellated with white to a pinkish white subdorsal patch on u and 12, 

 that narrowly reaches the dorsum on 12 and covers the spiracle. A black 

 lateral dash on joints 5, 7 and 9 to n. Spiracles white, black ringed. 

 Thoracic feet pale; abdominal ones purplish, entirely absent on joints 7 

 and 8. Tubercles and setae minute. 



Food plant Menespermum canadense. Dept. Agriculture, No. 2760. 

 This larva mimics the excrement of birds. 



38. Thalpochares carmelita Morrison. 



Head 1.4 mm., black. Body somewhat thickened centrally ; abdominal 

 feet of joints 7 and 8 entirely absent. Setas from very small tubercles, i 

 short, ii and iii very long, pale, iv short, v moderate, vi and vii short but 

 the hairs of vii longer on the legless segments. Body uniformly brown 

 without marks; shields not differentiated. Skin shagreened, with large, 

 clear, not contiguous granules. Thoracic feet black, the abdominal ones 

 with black plates. Spiracles minute, entirely pale. 



Food plant, Gnappalium. Dept. Agriculture, No. 4554. Bluffton, S. 

 C. J. H. Mellichamp. A curious little larva, feeding concealed in the 

 flower heads. 



39. Euclidia cuspidea Hubner. 



Head 3 mm., pale with numerous parallel brown stripes running toward 

 the mouth from occiput. These form a broad shade over the centers of 

 the lobes, leaving the sutures and clypeus yellowish, with narrow central 

 brown shades. Behind the eyes the stripes are reddish and mottled. 

 Body long and slender, feet of joint 7 absent, those of 8 small and short. 

 Light brown, finely lined with many longitudinal dotted streaks both dor 

 sally and ventrally. Dorsal line rather broadly pale, containing a double 



