BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
163 
1311. Riley, C. V.—Continued. 
106—Strange habit of birds of using the empty cocoon as a store¬ 
house, 107—The cecropia worm can not be classed as an injurious 
insect, 107— Sarnia Columbia ought to be considered a variety of 
cecropia, 107—Parasites, 107—The long-tailed Ophion, 107; its 
mode of oviposition, 108; habits of its larva, 108—The cecropia 
Tachiua-fly, 108; how it affects its victim, 108; its larva and 
imago, 109—The Mary Chalcis-fly, 109; how it escapes from the 
cocoon of the moth, 109; description of the imago, 110—The ce¬ 
cropia Cryptus, 110; its habits, 110; description of the two sexes, 
111; how it differs from the allied species, 111. 
The Ailanthus silkworm, Attacus cynthia . 112 
Difference between the silkworms of the castor-bean and Ailanthus, 
112—Introduction of the Ailanthus silkworm into Europe, 113— 
Ailanthiculture in Europe, 113—Its introduction into America, 
114—Disadvantages of the Ailanthus silkworm, 115—Its acclima¬ 
tization in America and Australia, 115—Value of the cocoon, 115— 
Mr. Forgemol’s device for unwinding the cocoon, 116—Natural 
history of the Ailanthus silkworm, 117—The egg and mode of 
egg-laying, 117—Larval changes, 117—Pupation, 118—The imago 
and its variations, 118—Food-plants, 118—Directions for raising 
the worms, 119—A good word for the Ailanthus tree, 120. 
The promethea silkworm, Attacuspromethea . 121 
Value of the cocoon, 121—Mode of egg-laying, 121—Larval changes, 
J.21—How the cocoon is fastened to the twig, 122—Striking 
sexual difference in the moth, 122— Callosamia angulifera ought 
not to be considered as a different species, 122—Food-plants of 
the worm, 123—Natural enemies, 123. 
The Inna silkworm, Actias luna . 123 
The beautiful appearance of the moth, 123—The cocoon, 124—Food- 
plants, 124—Larval changes, 124—Season when the imago issues, 
125—No parasites of the worm known, 125— Actias selene proba¬ 
bly identical with luna, 125. 
The polyphemus silkworm, Teleapolyphemus . 125 
Mode of egg-laying, 125—The egg, 126—Food-plauts, 126—Larval 
changes, 126—The cocoon, 126—Mr. Trouvelot’s account of the 
issuing of the moth, 127—Wonderful vitality of the chrysalis, 
127— Characters of the moth and its variations, 128—The broad 
antennm of the male moth mistaken for a third pair of wings, 
128— Difficulty of reeling the cocoon, 129—Number of annual 
broods, 129—Parasites, 129. 
The yama-ma'i silkworm, Anther cea yama-mai . 130 
Its native home and food-plant, 130—Its introduction into Europe 
and Australia, 130—Attempts at raising it in America, 130—The 
egg and how it should be kept over winter, 131—Climate most 
favorable for the worm, 131—Th^ worm and its resemblance to 
the leaf, 132—Food-plauts, 132—Larval changes, 132—The co¬ 
coon and the value of its silk, 133—The moth and its habits, 
133—Difficulties of rearing the worm, 133—Mr. Adams’s account 
of rearing the yama-ma'i worm in Japan, 134—The Uji parasite, 
136, 
The perny silkworm, Antliercea pernyi . 137 
Its native home, 137—How it differs from the preceding, 137—Lar¬ 
val changes, 137—The cocoon and its silk, 137—The moth, 137—* 
Its culture iu China, 138—The tusseli silkworm, 138. 
