160 



descriptive details about the species; its afBnities; its enemies], p. 109-182, 

 fig. 49-55. g. Index, p. i-iv. 



* 971. C: V. Riley, State Entomologist. Ninth annual 

 report on the noxious, beneficial and other insects of the state 

 of Missouri, made to the State Board of Agriculture, pursuant 

 to an appropriation for this purpose from tlie legislature of the 

 state. Jeffe]-son City, 1877. 7 + 129 + 3 + p. 23 X 15. t 

 20 X 11-5. 32 fig. 



Preface and Table of contents, p. iii-vii. 



a. Insects which feed on plants of the genus Ribes, and their appropria- 

 tion to the several species of this genus; treats especially of Eitjitchia ribe- 

 aria (p. 3-7, fig. 1-3), of Nematus ventricosus (p. 7-22, fig. 4^8) with a 

 figure of PoduuR placidus which preys upon it, and of Pristiphora yrossula- 

 riae (p. 23-27, fig. 9). h. History, habits and description of Emphytus 

 maculains, which feeds upon Fragaria, p. 27-29, fig. 10. c. Habits, trans- 

 formations and description of Lophyrus fl66o^^^ which feeds on Pinus; de- 

 scription of Limneria lopliyri n. sp., parasitic in the larva of the Lophyrus, 

 p. 2 9-32, fig. 11. d. Habits and description of Lophyrus lecontei, which 

 feeds on Pinus, p. 32-34. e. Spread and present distribution of Doryphora 

 10-lineata, with a map of distribution; probability of and precautions 

 against the introduction of the beetle into Eui-ope; figure and description 

 of Uropoda a»jerica?ia, parasitic on the beetle; value of various "potato 

 pest poisons," p. 34-47, fig. 12-13. f. Oviposition, number of annual 

 broods, longevity, hibernation and summary of the natural history of Xeu- 

 cania unipimcta, p. 47-50. g. Ravages, habits and natural history and de- 

 scription and figures of egg, larva and imago of Leucania albilinea; its 

 natural enemies and means against it; description of Anonialon npicale, a 

 parasite, p. 50-57, fig. 14-15. h. Detailed information of the invasions of 

 Caloptenus spretus, during the year 1876, into all the regions subject to it; 

 source and destination of swarms, distribution, rate of spread, direction of 

 flight; oviposition and hatching of eggs; natural enemies and parasites, 

 especially Trombidium sericeum, Anthomyia radicum var. calopteni (descr. 

 and fig.), Sarcophaga carnaria, an undetermined ichneumon and two unde- 

 termined carabids (one figured and described), Erax bastardii (fig.) and 

 Amblychila cylindi-iformis (fig.) ; experiments to test the eifects of alternately 

 freezing and thawing the eggs of C. spretus, of soaking and drying them, of 

 exposing them to the air, of burying them, and of pressing the soil down 

 over them; resolutions of the Omaha Conference [see Rec, no. 794]; active 

 and legislative means against the locusts; prospects for the year 1877, p. 

 57-124, fig. 16-29. i. Description and figures of the eggs, egg-masses and 

 larvae of Corydalus cornutus ; figures of the pupa and imago ; figure of Be- 

 lostoma grandis and of eggs, probably of this species, formerly supposed to 

 be those of the Corydalus, p. 125-129, fig. 80-33. j. Habits of Megathymus 

 yuccae, p. 129. Index, p. i-iii, Krrata. 



