Hybristodryinus Engel, 2005

Olmi, Massimo, Chen, Hua-Yan, Shih, Chungkun, Mueller, Patrick, Capradossi, Leonardo, Ren, Dong, Perkovsky, Evgeny E. & Guglielmino, Adalgisa, 2021, New species of Hybristodryinus Engel (Hymenoptera, Dryinidae) from mid-Cretaceous amber of northern Myanmar, with notes on their possible hosts, Journal of Hymenoptera Research 81, pp. 43-55 : 43

Genus Hybristodryinus Engel, 2005

Hybristodryinus Engel 2005: 486. Type species: Hybristodryinus resinicolus Engel 2005, by monotypy and original designation.

Diagnosis of the genus.

Female: Macropterous; occipital carina complete; mandible quadridentate, with teeth becoming regularly progressively larger from dorsal to ventral tooth; palpal formula 6/3; antenna without tufts of long hairs; antennal ADOs present; disc of metapectal-propodeal complex with posterior corners strongly projected posteriorly; fore wing 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 shorter than protibia; tibial spurs 1/1/1 or 1/1/2. Male: Macropterous; antenna with scape much broader than pedicel; palpal formula 6/3; occipital carina complete; mandible with four irregular teeth; epicnemium visible, because lateral regions of prothorax not continuous with mesopleura; mesopleuron protruding laterally; fore wing with three cells enclosed by pigmented veins (C, R, 1Cu), 2r-rs&Rs vein and pterostigma; fore wing with PostabR1 slightly shorter than pterostigma; tibial spurs 1/1/2.