. Bulletin of the Natural History Museum Geology. 50. LUKASHEVICH Fig. 3 Chaoburmus breviusculus Lukashevich, , holotype NHM , male in Burmese amber: total view. Scale = mm. Measurements. Male. Antenna length = mm, thorax length = mm, abdomen length (with genitalia) = mm, wing length = mm, wing width = mm, fore femur = mm, fore tibia = mm, fore tarsus = mm, middle femur = mm, middle tibia = , middle first tarsomere = , hind femur = mm, hind tibia = mm, first hind tarsomere = mm. Female
. Bulletin of the Natural History Museum Geology. 50. LUKASHEVICH Fig. 3 Chaoburmus breviusculus Lukashevich, , holotype NHM , male in Burmese amber: total view. Scale = mm. Measurements. Male. Antenna length = mm, thorax length = mm, abdomen length (with genitalia) = mm, wing length = mm, wing width = mm, fore femur = mm, fore tibia = mm, fore tarsus = mm, middle femur = mm, middle tibia = , middle first tarsomere = , hind femur = mm, hind tibia = mm, first hind tarsomere = mm. Female. Antenna length = no less than mm, thorax length = mm, abdomen length = mm, wing length = mm, wing width = mm, fore femur = mm, fore tibia = mm, fore tarsus = mm, middle femur = mm, middle tarsus = mm, hind femur = mm, hind tibia = mm, first hind tarsomere = mm. Remarks. In the ratio of the first to the second tarsomeres and small size C. breviusculus is similar Taimyborus aequiarticulatus Lukashevich, 1999, from Upper Cretaceous Taimyr resin (Nizhnyaya Agapa locality), distinct in venation peculiarities (in the latter Sc, A, R3+4 and Ml+2 forks longer), shorter wing macrotrichia, longer clypeus and the presence of tibial spurs. The small size, approximated eyes, Rl displaced forward and reduced anal lobe are the characters of Corethrella Coquillett, 1902, now separated into the family Corethrellidae mainly on account of the larval peculiarities. differs from this group in the antennal pedicel without setae, two last flagellomeres longest and the tibial spur present on the middle Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Natural History Museum (London). Andover : Intercept
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