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

Key to Middle-European species of genera Sympetrum NEWM. (18) Copulatory-organ on the second abdominal segment; two superior and one inferior appnedices anales: males. (3) Brownish-red transversal band near the apex of wing. Ramusi of posterior hamulus nearly of same width at their bases. Their length almost equal (Pig.8). Fterostigma and abdomen of old specimens fiery-red, pterostigma of young ones yellow, body light-brown. Legs entirely black, excepting the lower part of front femorae which are light-coloured. 30-36 mm. pedemontanum pedemontanum (ALLIONI) (2) '.Vings without brown bands but with transparent yellowish colouring at the most around the base of the wings or on their nodus. (7) The sides of ramus internus almost parallel.narrowing past the second third or half of ita length. Ramus externus and internus respectively of same width at their base (Pigs. 9-10), ramus internus slightly longer. (6) Legs entirely black, with light colouring on the coxae and trochanters only. Ramus internus twice as long as its width (Pig.10). Broad stripe under the base of the antennae

,along the eyes reaching alightly beyond the middle of front. Thorax of the young specimens yellow, their abdomen light-brown, pterostigma greyish-yellow. The old males blood-red, pterostigma blackish-brown.Three stripes on the thoraxsides (like Pig.

19). Small yellow transparent spot on the base of wings. 31-39 mm. 8anguineum (MÜLL.

) (5) Yellow line along the legs. Ramus internus threetimes longer than wide (Pig.

9). But narrow and