Astata gracilicornis Arnold, 1924

Jacobs, Hans-Joachim, 2023, Astata Latreille, 1796 (Hymenoptera, Astatidae) from Africa, south of the Sahara, Contributions to Entomology 73 (2), pp. 251-267 : 251

Astata gracilicornis Arnold, 1924

Type.

♀ ♂ syntypes, Zimbabwe, Sawmills (SAM) .

Material.

No material examined.

Description male

(after Arnold 1924). Habitus. Body length 8.5-10 mm. Head. Black with sparse white pubescence. Clypeus and small area beside the antennal sockets shiny with scattered punctures. Middle clypeal lobe rectangular, with straight front margin. Gena and occiput nearly dull, finely rugose-punctate. Face and frons dull, coriaceous punctate. Antenna. Black. Thorax. Black with white setae. Pronotal lobe black. Tegula yellowish-white. Pronotal collar dull, with transverse striae. Anterior surface of mesoscutum dull, with partly confluent dense punctures; middle third shiny with scattered punctures. Mesoscutellum smooth and shiny with sparse punctures, laterally densely punctate like mesoscutum. Wings. Forewing nearly hyaline. Legs. Coxae black, trochanters dark reddish-brown; femora, tibiae and tarsi dark red. Propodeum. Black. Dorsal surface with white setae, reticulate with a fine middle carina. Lateral and posterior surfaces rugose-reticulate; sides stronger, both with long pale setae. Metasoma. Black. Apical margins of sterna with a row of short black bristles.

Description female

(after Arnold 1924). Habitus. Body length 10 mm. Head. Black with sparse white setae. Middle clypeal lobe rectangular, anterior margin bluntly tridentate. Frons dull, closely reticulate-punctate, vertex densely punctate. Antenna. Black. Antennomere 3 about 4 × longer than apically wide. Thorax. Black with white setae. Tegula black. Pronotal collar dull, with transverse striae. Anterior part of mesoscutum dull, with partly confluent punctures; the middle third shiny with scattered punctures. Mesoscutellum smooth and shiny with singular punctures, laterally densely punctate like mesoscutum. Wings. Basal sclerite black. Forewing slightly brownish hyaline, feebly darkened around veins. Legs. Dark reddish. Propodeum. Black. Dorsal surface of propodeum pilose with white setae, reticulated with a fine median carina. Lateral and posterior surface rugose-reticulate; the lateral sides more strongly rugose, both with long pale setae. Metasoma. Segments I-III dark, dull-red, IV-VII black. Pygidial plate very narrow with strong concave lateral margins (Fig. 10 ). Terga dull, with reticulate microsculpture. Posterior margins of sterna with short black bristles.

Figures

Figures 1 - 18. 1 - 5. A. lubricata male: 1. Habitus dorsal; 2. Habitus lateral; 3. Head frontal; 4. Clypeus; 5. Antenna. 6 - 9. A. flavipennis male: 6. Habitus dorsal; 7. Habitus lateral; 8. Mesoscutum; 9. Antenna. 10. A. gracilicornis female: Pygidial plate (after Arnold 1924). 11 - 15. A. melanaria male: 11. Habitus dorsal; 12. Habitus lateral; 13. Head frontal; 14. Clypeus; 15. Antenna. 16 - 18. A. enslini male (after Pulawski 1959): 16. Clypeus; 17. Hindfemur; 18. Antenna.