58 THE CANADIAN KNToMOLOOiST. 



Larva. — Black, with ten elliptical white spots on the back, one on each 

 segment, except at the extremities ; a sub-dorsal reddish line ; lateral area 

 largely blue gray, becoming paler below. 



Food-plants. — Various forest trees, witch-hazel (Hamamelis), etc. 



Habitat. — The Eastern region, from the Mississippi valley to the 

 Atlantic. 



[The above description is from notes made several years ago, and is 

 not sufficiently full. J 



Clisiocampa erosa, Stretch. 



1881 — Stretch, Papilio, i., 67. 



1883 — Stretch, Papilio, hi.. 20 (as larva No. ii.) 



Larva. — Head bluish-gray, with small black spots ; hairy ; labrum 

 whitish. Body black, a row of white or orange-tinted dorsal spots, two on each 

 segment, rounded, the posterior one the smaller, In the dorsal space are 

 several supplementary, narrow, orange-red lines, sometimes partly filled in 

 with blue. An orange-red subdorsal line narrowly separated by a black line 

 from a broad blue band, minutely black dotted ; a narrow black line ; a lat- 

 eral orange-vellow line; below this blue-gray, with traces of a broken yellow- 

 ish substigmatal line and one along the bases of the legs. Hair, thin dor- 

 sally, faintly reddish ; short and dense from the subventral region, silky 

 white with some dusky and reddish hairs intermixed. On joints 3, 4 and 

 1 2 the blue subdorsal band is broken by a quadrate black patch, and in- 

 cised on the other segments. 



Food-plants. — Oak, aider, poplar, willow and fruit trees. 



Habitat. — The Pacific Northwest. 



Clisiocampa thoracica, Stretch. 



1 88 1. —Stretch, Papilio, i., 68. 



1889 — Rivers, Proc. Cal. Acad. Sci., ser. ii., vol. i., 105. 



Larva. — Prof. J. J. Rivers pays : — " Body obscure brown ; dorsal 

 ridge ornamented with a row of conspicuous ochre coloured spots, two 

 spots on each segment, the one placed in front always much the larger; 

 the spots are attended by numerous short waving lines of reddish brown, 

 running longitudinally, and there is a subdorsal line of the same colour 

 and a spiracular line of a much lighter shade. Its whole length, above 

 the feet, is occupied with numerous tufts of grayish hairs." 



Food-plants* — Willow and fruit trees. 



