Prosthoblissus primigenius Boderau, Nel & Engel, 2025, n. sp.
Year: 2025
Type: other
Abstract: Prosthoblissus primigenius n. sp. (Fig. 1) urn:lsid:zoobank.org:act: 4BEA3DAA-C80A-476D-87BD-17AC0DABAE40 TYPE MATERIAL. — Holotype. Myanmar • Specimen almost complete, with the rostrum, forewings, and the abdomen in a 1.2 × 0.7 × 0.4 cm subrectangular piece of amber; Kachin amber, Noije Bum Hill, Hukawng Valley, Kachin State; 26°29’N, 96°35’E; unnamed formation, earliest Cenomanian; AMNH JZC-Bu186. TYPE LOCALITY. — Kachin amber, Noije Bum Hill, Hukawng Valley (26°29’N, 96°35’E), Kachin State, Myanmar. ETYMOLOGY. — The specific epithet is the Latin adjective prĪmigenius, meaning, “firstborn”, “original”, or “primitive”. DIAGNOSIS. — As for the genus. DESCRIPTION Male As for genus with following minor additions.Adult:Total body length 5.9 mm (apex of tylus to apical margin of distalmost abdominal segment); body elongate; head length 0.78 mm (apex of tylus to posterior margin), maximum width across compound eyes 0.65 mm; interocular distance 0.34 mm; antennomere lengths (I-IV) 0.29 mm, 0.29 mm, 0.23 mm, 0.35 mm, respectively. Pronotal mediolongitudinal length 0.79 mm, medial width 0.77 mm; mesoscutellum mediolongitudinal length 0.53 mm, basal width 0.47 mm. Integument dark brown to black as preserved, lighter brown in areas where integument partially cleared (likely completely black in life). Integument largely glabrous, with exceptionally sparse, short, erect setae. Pronotum smooth and shining, without rugosity or visible punctation, with faint transverse striations in posterior third, with shallow, narrow, mediolongitudinal furrow; faint, small, paramedial calli anteriorly on either side of furrow. Mesoscutellum with sparsely scattered, faint, shallow punctures, otherwise seemingly smooth. Hemelytral corium with faint, shallow punctures; corium and clavus dark brown (as preserved) except a couple of transverse clear bands. Abdominal terga and sterna, where evident, impunctate.
Authors: Boderau, Mathieu, Nel, André, Engel, Michael S.
Language: English
Topic: Fossil Insects in Amber
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6931076233
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