Moesz Gusztáv - Soós Lajos (szerk.): A Magyar Természettudományi Múzeum évkönyve 28. (Budapest 1934)

Hungerford, H. B. ; Evans, N. E.: The Hydrometridae of the Hungarian National Museum and other studies in the family. (Hemiptera)

C o x a e : The distance between the first and second coxae is io that between the second and third as 26:48; the anterior and middle iicetabula with numerous pits, about four in front and seven behind each cleft, five or six pits on posterior acetabula. F e m o r a : Anterior femora not quitc attaining apex of the head; hind femora surpassing the abdomen by a little more than an eighth their length in the female and by at least a fourth their length in the male. Abdomen: The terminal process short and blunt in both sexes; the males have lateral processes near the anterior margin of the seventh abdominal (first genital) segment that embrace the rear margin of the sixth segment: the sixth segment provided with an oblique band of hairs on either side, beginning at a point just in front of the terminal point of the processes of the seventh and converging but not meeting on the ventrai anterior margin of the sixth segment (see Plate V). Described from five males and three females labeled „Natal: Kloof. 1500 ft. Aug. 1926" S. Africa, R. E. Turner, British Museum 1926—350. There is also another specimen bearing a written label that is illegible, also from S. Africa. Holotype, allotype and paratypes in the British Museum. One pair of paratypes retained for the LTniversity of Kansas Collection. Hydrometra gracilenta HORVATH 1899. (PLATE V). Hydrometra gracilenta HORVATH, TERMESZETRAJZI FIIZETEK, VOL. XXII, PP. 450—51, The National Museum of Hungary has nine specimens of this species from Hungary and Rumania. Through the kindness of Dr. O. LUNDBLAD we have three specimens from Sweden. It is from these that our illustrations have been drawn. Dr. O. M. REUTER (14) 1900 made some valuable comparisons between Hydrometra stagnomm L. and Hydrometra gracilenta HORVATH and figured the abdominal tips of both sexes and the heads of these species. Hydrometra aculeata MONTROUZIER 1864. (PLATE Y). Hydrometra aculeata MONTROUZIER, MELANGES ENTOMOLOGIQUES PAR M. B. P. PERROUD 4TH PART,PP. 195—196. In the original description of this species MONTROUZIER states that there are two recurved hooks towards the extremity of the fifth segment of the abdomen. On specimens before us, which were , collected in New Caledonia by Professor LAMBERTON, there are two