Nedocosia exsanguis, BLAGODEROV & GRIMALDI, 2004

BLAGODEROV, VLADIMIR & GRIMALDI, DAVID, 2004, Fossil Sciaroidea (Diptera) in Cretaceous Ambers, Exclusive of Cecidomyiidae, Sciaridae, and Keroplatidae, American Museum Novitates 3433 (1), pp. 1-76 : 36

publication ID

https://doi.org/ 10.1206/0003-0082(2004)433<0001:FSDICA>2.0.CO;2

DOI

https://doi.org/10.5281/zenodo.5057271

persistent identifier

https://treatment.plazi.org/id/039A87C9-FFA3-FFBC-FF1F-FBC4FC91FC5C

treatment provided by

Felipe

scientific name

Nedocosia exsanguis
status

sp. nov.

Nedocosia exsanguis View in CoL , new species

Figures 45, 46 View Figs , Plate 4F

DIAGNOSIS: Sc meets R before level of base of r­m. Laterotergites bare. Cerci with two combs of dark setae. Apices of gonostyli sharp, curved inward at right angle.

DESCRIPTION: Body length = 1.29 mm; wing length = 0.67 mm (rest). Head oval, with rounded occiput, occiput and frons with scattered setae. Ocelli three, lateral one about its own diameter from eye margin and two diameters from medial ocellus. Eyes slightly emarginate, with round facets and short interfacetal trichia. Scape subconical, pedicel cylindrical. Flagellum 14­segmented, flagellomeres of hexagonal surface texture, cylindrical, lengths about equal to width. Face and clypeus setose. Thorax: Scutum with setae in lateral, dorsocentral, and acrostichal rows. Antepronotum with 4 long and several short­ er setae. Proepimeron very small, touches katepisternum at incision. Laterotergites and mediotergite bare. Metepisternum broader than high. Wing: Sc meets R before M3 base. Costa ends beyond tip of R 5, more than one­half length between tips of R 5 and M 1. Crossvein r­m 0.37Χ length of R 1, and 0.6Χ length of M3 section. Base of fork of M 3+4 and CuA between levels of bases of M3 section and M 1 and M 2 fork. M 3+4 very weak. M 1 and M 2 fork campanulate. Longitudinal veins with setae, except Sc. Legs: Fore coxae with anterior setae, mid coxa with apical setae. Fore leg with first tarsomere 2Χ longer than second and 0.55Χ length of tibia. Abdomen: Tergites setose, sternites bare. Cerci with two comblike rows of black bristles. Apices of gonostyli sharp, squarish, curved inward.

MATERIAL: Holotype PIN 3130 View Materials /193, male. Russia: Taimyr Peninsula , Yantardakh, coll. 1970.

ETYMOLOGY: Latin, meaning pale or bloodless, referring to the pale color of the specimen.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Mycetophilidae

Genus

Nedocosia

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