Paralanceis chotardi, Brazidec & Legendre & Perrichot, 2023

Brazidec, Manuel, Legendre, Frederic & Perrichot, Vincent, 2023, Diversity and phylogeny of the extinct wasp subfamily Lancepyrinae (Hymenoptera, Bethylidae) revealed by mid-Cretaceous Burmese amber, Arthropod Systematics & amp; Phylogeny 81, pp. 345-369 : 345

Paralanceis chotardi sp. nov.

Figs 5 , 6

Etymology.

The specific epithet is a patronym honouring Matthieu Chotard, a former student and the senior author’s fellow from the palaeontology program at the University of Rennes, and now working on the morphology of extinct and extant birds. The specific epithet is to be treated as a noun in the genitive case.

Material studied.

Holotype IGR.BU-061, a complete female; housed in the Geology Department and Museum of the University of Rennes, France (IGR).

Type locality and horizon.

Hkamti site, Hkamti district, Sagaing Region, Myanmar; early Albian, ca. 110 Ma, Early Cretaceous.

Diagnosis.

As for genus.

Description.

Body stout and poorly pubescent (length about 3.5 mm). - Head prognathous, ovoid; LH: 0.94 mm, WH: 0.74 mm; WF: 0.54 mm, HE: 0.28 mm; compound eye slightly longer than high, located anteriorly on head; clypeus with median lobe triangular and projecting forward, lateral lobe visible but much shorter than median lobe; toruli separated by flat surface; antenna filiform, short, barely reaching mesoscutellum posteriorly; scape 2.8 times as long as pedicel; 11 flagellomeres, slightly longer than wide; flagellomere 11 longest, tapering at apex; mandibles decussate at apex, with three teeth; occipital carina present. - Mesosoma with dorsum smooth (length 1.80 mm); propleuron elongate and visible dorsally; dorsal pronotal area narrower anteriorly, lateral margin straight, posterior margin slightly concave; anteromesoscutum short, notaulus and parapsidal signum hardly distinguishable; mesoscuto-mesoscutellar sulcus wide, connecting lateral grooves; mesoscutellum posteriorly overlapped by metanotum; metapectal-propodeal complex smooth dorsally, rectangular, without postero-lateral spine. Fore wing hyaline, micro-pubescent (LFW: 2.40 mm); C, Sc+R, M+Cu, 1A tubular; 1Rs and 1M aligned; cu-a slightly and 1M aligned; [1M] cell elongate, fully enclosed by tubular Rs+M, m-cu and 1Cu; stub of M tubular distally to [1M] cell; stub of 2Cu visible nebulous to spectral; pterostigma elongate; 2r-rs&Rs arising from distal half of pterostigma; 2r-rs&Rs tubular, reaching wing margin; post-stigmal abscissa of R1 long, meeting 2r-rs&Rs distally; [2R1] cell closed, lanceolate. Legs slender; tarsal claws slightly incurved. - Metasoma fusiform, smooth; petiole short; six tergites visible, partially covering sternites laterally; tergite 2 longest; sting exserted.

Figures

Figure 5. Paralanceis chotardi gen. et sp. nov., holotype female IGR. BU- 061. A habitus in dorsal view; B head in lateral view; C head in frontal view; D Head in ventral view; E fore wing and metasoma in dorsal view; F line drawing of fore wing. Scale bars: 1 mm (A, E, F); 0.5 mm (B, C, D).

Figure 6. Line drawing of Paralanceis chotardi gen. et sp. nov., holotype female IGR. BU- 061. Scale bar: 1 mm.