BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
69 
576. Fitch, A. Ravages of insects on forest and fruit trees. Remedy. 
<Journ. UST. Y. State Agric. Soc., 3uly, 1860, v. 11, pp. 21-22. 
<Trans. NT. Y. State Agjic. Soc. for 1859, 1860, v. 19, pp. 775- 
776. Reprint: <Gultivator and Country Gentleman, 25 July, 
1878, v. 43, p. 471. 
Ravages, natural history, and means against Lecanium acericorticis [==Pulvi- 
naria innumerabilis']. 
577. Fitch, A. The Entomologist, No. 24—The pear blight beetle. 
<The Country Gentleman, 8 November, 1860, v. 16, p. 302. 
<The Cultivator, December, 1860, s. 6, v. 8, p. 371. 
Description of Scolytus pyri [= Xyleborus dispar] ; its food-plants, habits, and 
remedies. 
578. Fitch, A. Address on our most pernicious insects, delivered at 
the annual meeting [of the State Agricultural Society], Feb¬ 
ruary, 1859. <Trans. N. Y. State Agric. Soc. for 1859, 1860, 
v. 19, pp. 588-598.* 
Treats of five species injurious to wheat and of four injurious to fruit trees; 
the former are Diplosis tritici, Calandra granaria, Cecidomyia destructor, 
Isosma hordei, and Blissus leucopterus; the latter are Clxsiocampa americana, 
Saperda Candida, Sannina exitiosa, and Conotrachelus nenuphar. 
579. Fitch, A. Address of Asa Fitch, M. D., Entomologist of the 
Society, on the Curculio and black knot on plum trees. <Trans. 
N. Y. State Agric. Soc. for 1859, 1860, v. 19, pp. 599-612. t 
Describes Conotrachelus nenuphar; its times of appearance, ravages, parasites, 
and remedies. 
580. Fitch, A. The Entomologist, No. 25—The quince Tingis. <The 
Country Gentleman, 14 February, 1861, v. 17, p. 25. 
Describes and figures Tingis cydonice; its habits and injuries; description of 
the immature form; use of the hydropult. 
581. Fitch, A. The Entomologist, No. 26—The wheat midge. <The 
Country Gentleman, 1 April, 1861, v. 17, p. 226. <The Culti¬ 
vator, May, 1861, s. 3, v. 9, pp. 150-151. 
Habits and transformations of Cecidomyia [=Diplosis ] tritici and C. cerealis 
[=Z>. caliptera], 
582. Fitch, A. The Entomologist , No. 27—Disappearance of the wheat 
midge. <The Country Gentleman, 2 May, 1861, v. 17, p. 290. 
<The Cultivator, June, 1861, s. 3, v. 9, p. 178. <Amer. Farmer, 
June, 1861, s. 5. v. 2, pp. 378-379. 
Portions of eastern New York, Vermont, and Canada west, exempt from the 
attacks of Cecidomyia [ = Diplosis'] tritici. 
583. Fitch, A. The Entomologist, No. 28—The apple tree borer. 
<The Country Gentleman, 6 June, 1861, v. 17, p. 370. <The 
Cultivator, July, 1861, s. 3, v. 9, p. 209. 
'Description of Bostrichus [ = Anlphicerus ] bicaudatus; its distribution, ravages 
and means against it. 
# Nos. 578-579 were published separately with half title cover. ^Albany, 1860, 
8 vo., pp. 28. 
t See note under No. 578. 
