Dryinus Latreille, 1804

Speranza, Stefano, Olmi, Massimo, Guglielmino, Adalgisa & Contarini, Mario, 2019, A new species of the genus Dryinus Latreille (Hymenoptera, Dryinidae) from the USA, ZooKeys 871, pp. 41-47: 43

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Dryinus Latreille, 1804


Genus Dryinus Latreille, 1804 

Dryinus  Latreille, 1804: 176. Type species: Dryinus collaris  Linnaeus, 1767, by subsequent monotypy ( Latreille 1805).


Female: Fully winged; occipital carina complete, incomplete, or absent; palpal formula 6/3; mandible with 1-4 teeth; antenna usually with ADOs, rarely without, but always without tufts of long hairs; antennomere 1 longer than 2, variable, and antennomere 3 usually less than five times as long as antennomere 2, occasionally more than five times (in this case, notauli often complete, then mesoscutum completely sculptured by numerous and parallel longitudinal keels); pronotal tubercle reaching or not reaching tegula; forewing with three cells enclosed by pigmented veins (C, R, 1Cu); chela with rudimentary claw; protarsomere 5 less than twice as broad as enlarged claw; enlarged claw as long as, or shorter than protibia; tibial spurs 1/1/2, rarely 1/1/1. Male: Fully winged; occipital carina complete or incomplete; mandible with 1-3 teeth; palpal formula 6/3; epicnemium present and visible, because lateral regions of prothorax not continuous with mesopleura; mesosternum fused with mesopleura and not distinct; forewing with three cells enclosed by pigmented veins (C, R, 1Cu); paramere without dorsal process; tibial spurs 1/1/2.