Bembidion

Avgin, Sakine Serap, 2011, A Synopsis of the SubgenusTestedium Motschulsky, 1864 (Coleoptera: Carabidae: Bembidiini: Bembidion Latreille) in Turkey, with One New Country Record, The Coleopterists Bulletin 65 (1), pp. 39-42 : 41

KEY TO SPECIES OF THE BEMBIDION SUBGENUS TESTEDIUM FROM TURKEY

1. Smaller species (3.3–4.1 mm). Color metallic bronze, with or without greenish maculae on elytra. Legs more or less red-brown with metallic reflection.............................................2

1′. Larger species (4.0–5.0 mm). Color metallic black, with or without blue-green reflection. Legs completely metallic black...................3

2. Pronotum less transverse. Legs and base of antennae red-brown. Elytra with greenish maculae and yellowish apex.......................... ..................... B. (Testedium) laetum Brullé

2′. Pronotum more transverse. Legs faintly redbrown. Elytral color evenly bronze................ ... B. (Testedium) quadrifossulatum quadrifossulatum Schaum

3. Eyes large. Pronotum more transverse. Head and pronotum less punctured. Elytral striae shallower and with faint punctures................. ................. B. (Testedium) capito J. Müller

3′. Eyes small. Pronotum less transverse. Head and pronotum more punctured. Elytra striae deeper and with punctures more marked......................... B. (Testedium) bipunctatum bipunctatum (L.)