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longicornis Hansson

Antenna lateral, female.

Antenna lateral, male.

Head frontal, female.

Head frontal, male.

Vertex, female.

Thoracic dorsum, female.

Thoracic dorsum, female paratype

Thoracic dorsum, male.

Thoracic dorsum, male paratype.

Propodeum dorsal, female.

Propodeum dorsal, male.

Gaster dorsal, female.

Habitus, female.

Originally described in

Memoirs of the American Entomological Institute, Vol. 82:411.

Diagnosis

Vertex with engraved and weak reticulation, smooth inside ocellar triangle, only slightly more hairy than in “normal” Horismenus, setae short; occipital margin rounded off; midlobe of mesoscutum and scutellum reticulate with raised and strong small-meshed reticulation, with sparse setation with short setae; costal cell bare; submarginal vein with two setae; first gastral tergite reticulate in posterior 1/3, lateral surface predominantly reticulate; flagellum with all segments distinctly separated in both sexes; antenna long: scape reaching above level of vertex, flagellomeres more than 2X as long as wide, spicule long and narrow; pronotum long and narrow. See also brachythrix.

Distribution

Costa Rica.

Biology

Unknown.

Similar species in Lucid key

None.

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Depository of primary type

Natural History Museum (BMNH), in London.