Csiki Ernő (szerk.): A Magyar Természettudományi Múzeum évkönyve 26. (Budapest 1929)

Jaczewski, T.: Further redescriptions of Palearctic Corixidae

XXVI. ANN ALKS MÜSLI NATION A LIS HUNGARICI. 1929 FURTHER REDESCRIPTIONS OF PALAHARCTIC CORIXIDAE. By Dr TADEUBZ JACZEWSKI. (Polish Museum of Natural History, Warsaw. Poland). (With 19 figures). Owing to the kindness of Dr G. HORVÁTH 1 have received for study from the collections of the Hungarian National Museum at Budapest a certain number of specimens of four species of Palaearctic Corixidae, which were hitherto known to me only from their descriptions. I am able now to complete these descriptions with characters, which proved to be of importance in the morphological and systematic study of the Corixidae and which have been in general left without attention by former authors. The systematic position of the four species here in question could be cleared up also, at least to a certain degree. Before I pass to the descriptive part of this paper I would like to express my most sincere thanks to Dr HORVÁTH for the deliverance of the necessary material, as well as for the numerous advices which he so often gave me already during my hemipterological investigations. Cymatia Rogenhoferi (FIEB.). 1864. Corixa Rogenhoferi FIUBER, Wien. Ent. Mon. VIII, 1864, p. 208. Body rather elongated, resembling in shape Glaenocorisa cavifrons THOMS., distinctly more elongated and more parallel-sided than the allied species C. Bonsdorffi (C. SAHER.). Ground-colour of the pronotal disk and of the hemelytra chocolatebrown. Head, underside and legs pale yellow; base of the abdomen from beneath somewhat darkened, especially so in the cfcf; ends of intermediate tarsi brown. General shape of the head as in the other representatives of this genus, i. e. the posterior margin of the eyes is separated by a compara-