290 
BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
2095. Riley, C. Y. The silk-worm. No. 1-3. <National Farmer, 13, 
20, 27 July, 1882. S.-b. No. 35, p. 15; No. 48, pp. 32, 49. 
Nature of the silk-worm; stages, enemies, diseases, races; wintering and 
hatching of eggs; feeding and rearing of larvae; the cocoons; spinning and 
gathering, choking chrysalids; egg-laying, reproduction, reeling, food- 
plants. 
2096. Riley, C. V. Change of habit; two new enemies of the egg¬ 
plant. <Amer. Nat., August (28 July], 1882, v. 16, pp. 678- 
679. 
Sudden acquisition by Doryphora juncta and by Cassida texana of the habits 
of feeding on Solarium melongena, these species having been found pre¬ 
viously on S. carolinense aud S. elceagnifolium respectively; occurrence of 
C. texana on S. carolinense ; distribution of the two insects. 
2097. Riley, C. Y. Notes on Microgasters. <Amer. Nat., August (28 
July], 1882 ,’y. 16, pp. 679-680. 
Critical review of paper of A. S. Packard; synomymical notes on Packard’s 
species. 
2098. [Riley, C. Y.] Are honey-bees carnivorous ? <Amer. Nat., Au¬ 
gust [28 July], 1882, v. 16, p. 681. 
Observations of Fritz Muller on the carnivorous habits of Brazilian Apidce. 
2099. [Riley, C. Y.] The u overflow bugs ” iu California. <Amer. 
Nat., August [28 July], 1882, v. 16, pp. 681-682. 
Extract from letter of Mrs. A. E. Bush, with introductory remarks; occur¬ 
rence of Platynus maculicollis in such abundance as to become a nuisance. 
2100. [Riley, C. Y.] Insects aud drouth. <Amer. Nat., September 
[24 August], 1882, v. 16, p. 745. 
Occurrence of excessive drouth in the spring and early summer of 1880 in 
New England; statement by S. Lockwood of the exceptional abundance of 
several insects in New Jersey in that year. 
2101. Riley, C. Y. Probable sound organs iu sphiugid pupse. <Amer. 
Nat., September [24 August], 1882, v. 16, pp. 745-746. 
Occurrence of a peculiar structure on the abdominal joints of the pup® of 
certain Sphingidce ; genera in which this structure is observed; probable 
connection of this structure with the function of producing sound as ob¬ 
served in Sphinx atropos. 
2102. Riley, C. Y. Is Cyrtoneura a parasite or a scavenger ? <Amer. 
Nat., September [24 August], 1882, v. 16, pp. 746-747. 
Cyrtoneura stabulans bred from pupse of Aletia argillacea [ ,— xylina ] usual food 
of this species; doubt whether the species is a parasite or is only a scav¬ 
enger in decayed pupse; Phora aletice merely a scavenger; great liability 
of pupse of Aletia to decay 
2103. [Riley, C. Y.] Habits of Polycaon confertus Lee. <Amer. Nat., 
September [24 August], 1882, v. 16, p. 747. 
Polycaon confertus bores in twigs of apple- and pear-trees and grape-vines; 
the larvse probably live in the dead and dry wood of forest-trees. 
2104. Riley, C. Y. Dinoderus pusillus as a museum pest. <Amer. 
Nat., September [24 August], 1882,. v. 16, p. 747. 
Dinoderus pusillus feeds on cork and paper lining in an insect box; they oc¬ 
cur usually in drugs and other stored and dry vegetal products. 
