Publikationen und Referate. 97 
*Vasiljev, E.M. Adelphocoris lineolatus Goeze als Schädling der 
Runkelrübensetzlinge. — Vestn. sacharn. promysl. Kiev, X, pp. 270 
— 274, 307—310, 341—344. Kiev 1909. 
Vickery, R. A. Contributions to a knowledge of the Corn Root- 
Aphis. — U. S. Dep. Agr., Bur. Ent., Bull. 85, Pt. VI, pp. 97—118, 
Taf. V. Washington. — Aphis maidi-radieis Forbes u. Middletoni 
Thom. Verbreitung, Biologie Nährpflanzen, Beziehungen zu den 
Ameisen, Schaden, Bekämpfung. 
Vimmer, A. Zpräva o skudcich polnich. — Cas. Cesk& Spol. Ent., 
VII, pp. 6—7. Prag. — S. 7, Aphis papaveris F. von Larven des 
Syrphus corollae verzehrt. 
Washburn, F.L. (1). 1. Further observations on Empoasca mali; 
2. Notes on Papaipema nitela and P. cataphracta. — Journ. Econ. 
Ent., III, pp. 162—168. Concord, N.H. — Biologie u. Cyelus von 
Empoasca mali. Eiablage in Apfelbäumen allein, nicht in Gräsern. 
*— (2). The Apple Leaf Hopper and other injurious Insects of 
1907 and 1908. — Bull. Agr. Exp. Stat. Univ. Minn., No. 112, pp. 145 
—254, 1 Taf. St. Paul 9108. 
Webster, F.M. Investigations of Toxoptera graminum and its 
parasites.. — Ann. Ent. Soc. Amer., II, pp. 67—87, Columbus, Ohio. 
— Verbreitung, Nährpflanzen, Biologie, Feinde u. Parasiten, etc. 
Webster, R. L. (1). Notes on Three Species of Jassidae. — Entom. 
News, XXI, pp. 265—268. Philadelphia. — Empoasca obtusa Walsh, 
E. mali Le B., Typhlocyba rosae L.: Biologie, Larven, ete. 
*— (2). The Apple Leaf-Hopper (Empoasca mali). — Jowa Agr. 
Exp. Stat., Bull. 111. Ames, Jowa. 
West, W. (1). [Idiocerus aurulentus from Blackheath]. — Entom., 
XLIII, p. 42. London. 
— (2). [Typhlocyba eruenta from Box Hill, Oncotylus viridiflavus 
from Ranmore. — Entom., XLIII, p. 358 = Ent. Monthl. Mag., XLVI, 
p. 242. London. 
— (3). [Obliarius leporinus from the New Forest]. — Entom., 
XLIII, p. 358 — Ent. Monthl. Mag., XLVI, p. 264. London. 
— (4). [Ulopa trivia from Chipstead]. — Ent. Monthl. Mag., 
XLVI, p.4. London. 
Whittaker, ©. (1). Early Copulation of Notonecta. — Entom., 
XLII, p.97. London. — Paarung im Januar, im Somerset. 
— (2%). Aquatie Hemiptera. — Entom., XLIII, p. 97. London. 
— Frage nach Material. 
Wiekham, H.F. A Note on Emesa longipes. — Entom. News, 
XXI, pp. 27—30, Taf. IV. Philadelphia. — Biologie dieser Emesa 
in Jowa. 
Willcocks, F.€. A Mealy Bug injurious to the Lebbek trees of 
Cairo. With Appendices by Robert Newstead and Frank 
Hughes. — Bull. Entom. Res., I, pp. 121—141, Taf. X. London. 
— Dactylopius perniciosus n.sp.: Nährpflanzen, Schaden, Biologie, 
Parasiten, Bekampfung, ete. 
Archiv für Naturgeschichte a 
1911. V. 1. ‘ 
