Trichacis kaulbarsi Arias-Penna & Masner

Arias-Penna, Tania Milena, Masner, Lubomir & Delsinne, Thibaut, 2012, Revision of the Neotropical species of Trichacis Foerster (Hymenoptera: Platygastroidea: Platygastridae), with description of 24 new species, Zootaxa 3337, pp. 1-56 : 23-26

publication ID

https://doi.org/ 10.5281/zenodo.281325

DOI

https://doi.org/10.5281/zenodo.6166438

persistent identifier

https://treatment.plazi.org/id/038EFC5F-7C57-D45C-FF7B-F9E2BB59FDF8

treatment provided by

Plazi

scientific name

Trichacis kaulbarsi Arias-Penna & Masner
status

sp. nov.

Trichacis kaulbarsi Arias-Penna & Masner , new species

Figures 10 View FIGURE 10 F; 11A–11G

Female. Body length: 1.60 mm (holotype).

Black; A1–A10 brown and mandible yellow with apex brown; leg yellow; coxa dark brown; fore wing infuscate.

Head, in dorsal view, 1.9 times as wide as long; EH <IOS; interocellar area smooth; OOL> LOL; antennal clava 4-segmented; A1 not reaching vertex dorsal margin; A2–A5, A8–A10 longer than wide; A6–A7 as long as wide; base of mandible smooth; frons above interantennal process and torulus with four deeply marked transverse striae; interantennal process smooth and surpassing ventral border of torulus; clypeus exposed; clypeal margin truncate; gena smooth; lateral region of vertex smooth between posterior ocellus and hyperoccipital carina, and with well-marked longitudinal striae between hyperoccipital carina and occipital carina; temple projection absent; hyperoccipital carina complete, distance between posterior ocellus and hyperoccipital carina shorter than posterior ocellus diameter.

Mesosoma slightly arched; antero-admedian line present; notaulus absent; anterior region of mesoscutum coriaceous; mesoscutum posteromedially acute; parapsidal line present; central pronotal area smooth; specialized area of mesoscutellum circular and elevated; mesopleural carina incomplete (length of mesopleural carina/length of mesopleuron = 0.29); fore wing distinctly surpassing apex of metasoma.

Metasoma moderately elongate; combined length of T3–T6 <T2; T1 shorter than wide; T2 longer than wide; T3–T6 wider than long; anteromedial area of T2 smooth and flattened; T3–T6 densely covered by deep punctuation; T6 subtriangular.

Male. Body length: 1.4 mm (allotype); 1.60 mm (paratype); mean ± SD = 1.50 ± 0.14 mm. Similar to female except the following: antenna filiform; A1 yellow; A2–A10 brown; leg including coxa yellow; A8 as long as wide; T1 shorter than wide; T2 longer than wide; T3–T5 wider than long; T3–T7 densely covered by deep punctuation.

Etymology. Named after M. Kaulbars, the collector of the holotype and allotype.

Diagnosis. Trichacis kaulbarsi and T. colombiana have notaulus absent. However, T. kaulbarsi has a smooth interocellar area and a complete hyperoccipital carina.

Material examined. Holotype: 1 Ƥ, MEXICO, SLP 400 km W, Xilitla, 1700 m, June 12 1983, M. Kaulbars ( CNCI); allotype: 1 3, with the same data as holotype ( CNCI); paratype: 1 3, with same data as holotype but caught in June 12–August 6 1983, FIT, S. Peck ( ICN).

Holotype is deposited in CNCI.

CNCI

Canadian National Collection Insects

ICN

Instituto de Ciencias Naturales, Museo de Historia Natural

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Platygastridae

Genus

Trichacis

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