BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 63 
494. [Walsh, B. D., and C. Y. Riley, j The Hessian fly on seed 
wheat. <Amer. Ent., December, 1868, v. 1, p. 80. 
Answer to inquiry of U. Scott; broods and times of transformation of Ceci- 
domyia destructor. 
495. [Walsh, B. D., and C. Y. Riley.] The apple-root plant-louse. 
Eriosoma ( Pemphigus) pyri, Fitch. <Amer. Ent., January, 
1869, v. 1, pp. 81-84, figs. 70-72. 
Habits, ravages, description, enemies, and parasites of, and means against 
Eriosoma pyri [— Schizoneura lanigera~\; figures injured root, iarva, and 
adult with details of structure; figures adult plant-louse found on cotton¬ 
wood ; description and figure of larva, puparium, and imago of Pipiza 
radicum n. sp. 
496. [Walsh, B. D., and C. Y. Riley.] Ants’ nests in gardens. 
<Amer* Ent., January, 1869, v. 1, p. 84. 
Means against ants. 
497. [Walsh, B. D., and C. Y. Riley.] The parasites of the human 
animal. <Amer. Ent., January, 1869, v. 1, pp. 84-88, figs. 
73-74. 
Brief accounts of Pediculus humanus [= vestimenti], P. cervicalis [= capitis'], 
P. [—Pthirius] pubis, CEstrus [= Derma lob ta] liominis, Pulex irritans, P. 
[=zSarcop8ylla] penetrans, Acantliia lectularia, Conorhinus sanguisnga, and 
Acarus [= ISarcoptes] scabiei ; figures and habits of Reduvius [= Opsicceius~\ 
personatus and of Pirates [— Basahus~\ biguttatus; figure of Conorhinus san- 
guisuga ; classificatory relations of Pedioulina and Mallophaga. 
498. [Walsh, B. D., and 0. Y. Riley.] The coffee borer. <Amer. 
Ent., January, 1869, v. 1, p. 88. 
Unnamed coffee borer injurious to coffee trees in Madras. 
499. [Walsh, B. D., and C. Y. Riley.] Strawberry worms. <Amer. 
Ent., January, 1869, v. 1, pp. 89-91, figs. 75-76. 
Description, natural history, ravages, means against, and figures of lar\ r a and 
imago of Ancliylopera [= Phoxopteris] fragarice, n. sp.; figures all stages 
of Emphytus Harpiphorus'] maculatus ; description of its larva and pupa, 
its natural history, and means against its ravages. 
500. [Walsh, B. D., and C. Y. Riley.] Fungoid growths. <Amer. 
Ent.] January, 1869, v. 1, pp. 91-92. 
Mention of instances of the growth of fungi on living plants and animals ; 
letter of S. H. Y. Early on the occurrence of fungoid growths on the larvm 
of Lachnosterna fusca. 
501. [Walsh, B. D., and C. Y. Riley.] Plums for the million. <Amer. 
Ent., January, 1869, v. 1, pp. 92-93. 
Means against Conotrachelus nenuphar ; notes on varieties of plum exempt 
from the attacks of the same. 
502. [Walsh, B. D., and C. Y. Riley.] The “Colorado grasshopper.” 
<Amer. Ent., January, 1869, v. 1, pp. 95-96. 
Answer to inquiries of W. N. Byers and V. Devinny; specific names indicat¬ 
ing particular districts can not be changed because the insect is found in 
other regions. , 
