BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
65 
516. [Walsh, B. D., ami C. Y. Riley.] Eggs of katydid. <Amer. 
Ent., January, 1869, v. 1, p. 100. 
Answer to inquiry of A. A. Hilliard; character of the eggs of Platyphyllum 
[= Cyrtophyllus'] concavus. 
517. [Walsh, B. D., and C. Y. Riley.] Apple-twig borer. <Amer. 
Ent., January, 1869, v. 1, p. 100. 
Answer to inquiry of J. T. Zimmerman; ravages of Bostrichus [= Amphicerus] 
bicaudatus. t 
518. [Walsh, B. D., and C. Y. Riley.] Galls and their architects. 
<Amer. Ent., February, 1869, v. 1, pp. 101-110, figs. 78-90. 
Definition, classification, and variation of galls; accounts of some galls made 
by Cynipidce, Cecidomyidw, and Aphididce and of the gall-makers; natural 
history, descriptions, and figures of Cynips [—Amphibolips] q.-spongifica, C. 
[ = A. ] q.-inanis, C. [=A.] q.-primus n. sp., Ceoidomyia s.-strobiloides, C. 
s.-brassicoides, C. v.-pomum n. sp., C. v.-coryloides n. sp., Pemphigus vaga- 
bundus, P. rhois and Colopha ulmicola ; description of the imago of Cynips 
q.-prunus and of Pemphigus ulmifusus n. sp., and of the larvae of the new 
species of Ceoidomyia ; dimorphism of gall-makers; presence of inquilines 
and parasites in galls. (See No. 821.) 
519. [Walsh, B. D., and C, Y. Riley.] The bogus Colorado potato- 
bug, Doryphorajuncta , Germar. <Amer. Eut., February, 1869, 
v. 1, it. 110. 
Food-habits of D. juncta. 
520. [Walsh, B. D., and C. Y. Riley.] Ants and aphides. <Amer. 
Ent., February, 1869, v. 1, p. 110. 
Inquiry of W. Batchelor, with answer ; secretion of honey-dew by Aphididcv 
and harvesting of the same by ants. 
521. [Walsh, B. D. y and C. V. Riley.] The Tarantula of Texas, My- 
gale lientzii , Girard. <Amer. Ent., February, 1869, v. 1, p. 11, 
fig. 91. 
Figure of Mygale hentzii : habits of Pompilus [ = Pepsis] formosa; quotes 
from G. Liucecum’s “The Tarantula killers of Texas” (Amer. Nat., v. 1, 
pp. 137-141). 
522. [Walsh, B. D., aud 0. Y. Riley.] The melancholy chafer. 
<Ainer. Ent., February, 1869, v. 1, p. 111. 
Ravages aud figure of the imago of Euphoria melancholiva. 
523. [Walsh, B. D., and C. V. Riley.] Apple worms (Carpocapsa 
pomonella , Linn.). <Amer. Eut., February, 1869, v. 1, pp. 112- 
114, fig. 93. 
Natural history, ravages, and means against Carpocapsa pomonella ; figures 
injured apple, larva, pupa, and imago. 
524. [Walsh, B. D., and C. Y. Riley.] The asparagus beetle ( Crio • 
ceris asparagi, Linn.). <Amer. Eut., February, 1869, v. 1, pp. 
114-115, fig. 94. 
Introduction into the United States; natural history, ravages, parasites of, 
and means against Crioceris asparagi ; figure of eggs, larvte, aud imago of 
the same. 
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