Dinotrema nigricornis

Fischer, M., Tormos, J., Pardo, X. & J. D, 2008, New citations of Alysiini from Spain, with a description of Dinotrema mediocornis hispanicum nov. ssp. and of the females of Aspilota inflatinervis and Synaldis azorica (Hymenoptera, Braconidae, Alysiinae), Linzer biologische Beiträge 40 (2), pp. 1449-1466 : 1458

D. nigricornis species group

1 Mandibles twice as long as wide. Eyes 1.5 times longer than temples...............................2

- Mandibles maximally 1.5 times longer than wide. Eyes maximally slightly longer than temples................................................................................................................................3

2 Mesosoma 1.4 times longer than high, with brown shine under light. T1 red. Lateral fields of prescutellar sulcus smooth. .................................. D. castaneithorax (FISCHER) ,

- Mesosoma only slightly longer than high, dark. T1 black. Lateral fields of each prescutellar sulcus with a small longitudinal striation...... D. phoridarum (GOIDANICH) ,

3 Tooth 2 of mandibles not surpassing tooth 1, the latter protruding almost as much as the former............................................................................................................................4

- Tooth 2 clearly surpassing tooth 1. d 2.5 times longer than nr.............................................. ................................................................................................ D. paucicrenis (FISCHER) ,

4 Head 1.6 times wider than long, 1.9 times wider than mesonotum ....................................... ........................................................................................... D. parapunctatum (FISCHER) ,

- Head more than 1.6 times wider than long, maximally 1.5 times wider than mesoscutum.........................................................................................................................5

5 Ovipositor sheaths as long as metasoma. Fm 1.5 times longer than wide............................. .................................................................................. D. divisum (STELFOX & GRAHAM) ,

- Ovipositor sheaths approximately of the same length as T1. Posterior femur 4.5 times longer than wide. Flagellum dark...................................... D. significarium (FISCHER) ,