LEPIDOPTERA — BOMBYCINA. 



5P 



Epicnaptera americana Harris. 



erosa — Malacosoma. disstria. 



fiagilis — Malacosoma. 



thoracica — Malacosoma. 



Pseudoneustria — Malacosoma 



californica — americana. 



frutetorum (not California). 

 Gastropacha americana — Epicnaptera. 



Lasiocampa carpinifolia- 



americana. 

 Malacosma ambismilis — 



californica Pack. 



constricta — fragilis 



disstria Hubn. 



fragilis Stretch. 



—Epicnaptera 

 californica. 



BOMBYCID/E. 



The silk worm of commerce is found in this state only under domestication. 

 See California circular 12. 

 Bombyx mori Linn. 



Figrure 27. Tussock moth larva. 

 PLATYPTERYGID>e. 



Drepana arcuata Walk. 



siculifer Pack. 



GEOMETRID/E, 



The larvse of the moths of this family have but ten legs, and walk with a 

 peculiar looping motion and are called loopers, span worms or measuring 

 worms. This peculiarity is also indicated by the name Geometridge. The 

 canker worms Alsophila and Paleacrita are the most injurious members of the 

 family. 



rubromarginaria — Xystrota he- 

 paticaria. 



sideraria — Eois. 



subalbaria — Eois anticaria. 

 ^Ethalodes packardia (Hulst.) 

 /Ethyctera electa Hulst. 

 Alcis californiaria — imitata. 



dejecta Hulst. 



sulphuraria Pack. 



Alsophila pometaria Harr. 

 Anagoga pulveraria Linn. 

 Anaplodes arizonaria Grote. 



dellcaria Dyar. 

 Acidalia ancellata — Cinglis. 



californiaria — Eois sideraria. 



dataria — Cosymbia. 



granitaria — Eois. 



