BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
177 
1363. Eiley, G. Y.—Continued. 
BENEFICIAL INSECTS. 
The unadorned Tiphia or white grub parasite, Tiphia inornatei .. 123 
Other enemies of the white-grub, 123—Cocoon and larva of Tiphia, 
123—It is undoubtedly a parasite of the white-grub, 124—Char¬ 
acters of the genus Tiphia, 124—Habits of Tiphia femorata, 124— 
Habits of the Tiphia larva, 124—Characters of the Unadorned 
Tiphia, 125—Beetle parasitic upon it, 125—Description of larva 
and imago, 126—The species has been described under three dif¬ 
ferent names, 126. 
INNOXIOUS INSECTS. 
The Dominican case-bearer, Coscinoptera dominicana . 127 
Characters of the beetle, 127—Mode of oviposition, 128—Oviposi- 
tion of Chlamys plicata, 128—The young larva and its food- 
habits, 129—The case of the larva, 129—Characters of the larva, 
130— Time required for its development, 130. 
The Yucca moth, Pronuba yuccasella . 131 
Its natural history completed, 131—Description of the chrysalis, 
131— Hatching of the chrysalis, 132—Method of oviposition, 133— 
Oviposition is followed by pollination, 134—The egg in the young 
fruit and the embryo larva, 134—It is the only insect that can 
well fertilize the Yuccas, 135. 
HaCKBERRY BUTTERFLIES. 136 
The European purple Emperor, 136—Insufficient former account of 
their earlier states, 136—Species of Celtis in Missouri, 137. 
The eyed Emperor, Apatura celtis . 137 
The full-grown larva, 137—Habits of the larva, 138—Pupation, 
138—The imago, 139—The egg and the young larva, 139—Two 
annual broods, 139—Hibernation of the young larva, 140. 
The tawny Emperor, Apatura clyton . 140 
How it differs from the eyed emperor, 140—The egg, 141—Larval 
changes and habits, 141—Egg parasite, 142. 
Bibliographical. 142 
The generic name, 142—The specific names of the tw r o species, 
143—Fabricius’s original description of lycaon and herse, 144— 
Other species of the genus in the United States, 145—On the 
validity of alicia, 145—Descriptions of the earlier states of both 
species, 146—Their popular names, 148—The scientific specific 
names, 149. 
Katydids . 150 
General considerations, 150—Spring in Europe and America, 151— 
Stridulating noise produced by crickets and grasshoppers, 152— 
Sounds inaudible to man, 152—Grasshoppers, katydids, locusts, 
153—Habits and general appearance of our katydids, 154—They 
oviposit above ground, 154—Their ovipositors not rudimental, 
155. 
The angular-winged katydid, Microcentrum retmerve . 155 
It is the most common species in Missouri, 155—General character 
of the insect, 155—The eggs, 155—Erroneous statement concern¬ 
ing the egg, 156—How the female deposits the eggs, 156—Num¬ 
ber of eggs laid by the female, 158—Hatching of the larva, 158— 
Food of the larva, 158—Changing from the pupa to the perfect 
12 ENT 
