Dr. Steinmann Henrik szerk.: Rovartani Közlemények (Folia Entomologica Hungarica 18/1-17. Budapest, 1965)

beyond the Lake Baykal, the Amur region, Mongolia, and the northern provinces of China, 5 (4) Area between ribs of mesothoracic éternité slightly transversal, arching caudad then expanding (Fig. 2). Apex of foveolae of vertex truncate, trapezoid; when triangular

,posterior femora short and thick and posterior tibia shorter than posterior femora. 6 (7) Foveolae of vertex trapezoid. Inner surface of posterior femora light,inner section of genu ornamented by a narrow, black band, or surface with several bands. Cubital area of tegmen narrow, intercellular vein conspicuous genus 2: Aiolopus FIEBER, 1855 1. A. oxianus UVAROV, 1926 Distribution: South Kasahstan and South Tadzhikistan 2. A. tamulus FABRICIUS, 1798 (Gryllus) Distribution: North China, Formosa, Japan, Philippines, Malaya, Hindustan 3. A. thalassinus FABRICIUS, 1781 (Gryllus) Distribution: Central and East Europte, SW Siberia, Central Asia,North Africa, the Near Bast, China from Dzungharia to Lansua 4. A. savignyi KRAUS

3, 1390 (Heteropternis

) Distribution: South Turkmenia, SW Tadzhikistan, Afghanistan, Iran, Hindostan, Mesopotamia, Arabia,Somali, Egypt, North Uganda 5. A. atrepens LATREILLE

, 1804 (Acrydium) Distribution: Pontic and Transcaucasian areas, Asia Minor, Palestine, Roumania, Hungary, South Europe, North Africa 7 (6) Foveolae of vertex triangular. Major portion of inner surface of posterior femur ornamented with a black, or one or two light, transversal band. Cubital area of tegmen wide, intercellular vein obsolescent or absent genus 3: Hilethera UVAROV, 1923 Ba turanica UVAROV, 1925