170 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
1329. Riley, C. V.—Continued. 
On a new genus in the lepidopterous family Tineid^e with re¬ 
marks on the fertilization of Yucca, Pronuba yuccasella . 150 
Generic characters of Pronuba, 150—Description of Pronuba yuc¬ 
casella, 151—Plants requiring the aid of insects for fertilization, 
152—Fertilization of orchids, 152—Fructification of Yucca, 153— 
Yuccas mast rely on insects for fertilization, 153—Insects fre¬ 
quenting Yuccas, 154—Diurnal and nocturnal habits of Pronuba, 
154— How the female moth fertilizes the plant, 154—Oviposition, 
155— The larva within the young fruit, 155—Description of the 
larva, 155—Only a small percentage of fruit not infested by the 
larva, 156—The larva leaves the capsule and enters the ground 
for hibernation, 156—Mutual adaptation of plant and insect, 
156— The moth doubtless occurs wherever Yuccas grow wild, 
157— Easy transportation of the cocoon, 158—Further facts re¬ 
garding the fructification of Yucca filamentosa and gloriosa, 158— 
Yuccas seeding in Europe, 159—Range of the insect, 159—Mr. 
Stainton’s opinion on the characters on the Yucca moth, 160. 
Note. —Pages 1-44 were also printed as a separate, with title-page cover. 
<^Jefferson City, Mo., 1873. S.-b. No. 19, pp. 150-173. 
1330. Riley, C. Y. New York without a State entomologist. <Moore’s 
Rural New Yorker, 5 May, 1873. S.-b. No. 8, p. 103. 
Needs of a State entomologist for New York ; Salix humilis infested with 
larva of Plectrodera scalator. 
1331. Riley, C. Y. Tent-caterpillar of the forest. <N. Y. Tribune, 
23 May, 1873. S.-b. No. 8, pp. 64-65. 
Answer to inquiry of S. T. Gilbert; means against eggs of Clisiocampa syl- 
valica [= disstria']. 
1332. Riley, C. Y. Apple-tree borer. <N. Y. Tribune, 23 May, 1873, 
S.-b. No. 8, p. 64. 
Answer to inquiry of J. Durbin ; means against Saperda bivittata [= Candida']. 
1333. Riley, C. V. Punctured grape-canes. <N. Y. Tribune, 23 May, 
1873. S.-b. No. 8, p. 64. 
Answer to inquiry of E. Snyder; food-habits and me#ns against (Ecantlms 
niveus. 
1334. Riley, C. Y. The codling-moth. Weir’s trap. <Amer. Agric., 
May, 1873, v. 32, p. 184, tigs. 
Unsatisfactory results of experiments with the Weir trap; relative value of 
materials used; criticism of J. S. Parker’s theory for the extermination of 
Carpocapsa pomonella ; this species breeds in apples, wild crabs, pears, 
peaches, and plums; figures females and the abdomen of the males of Pimpla 
annulipes and Macrocentrus delicatus parasitic upon the apple-worm. 
1335. Riley, 0. Y. Influence of extreme cold on the Curculio. <Gar- 
dener’s Mo. and Hortic., May, 1873, v. 15, pp. 137-139. 
Critical review of T. T. South wick’s article of same title; extract from 3d 
Ann. Kept. State Ent. Mo. 
