Leioproctus (Colletellus) quadripinnatus Leijs

Leijs, Remko, Dorey, James & Hogendoorn, Katja, 2018, Twenty six new species of Leioproctus (Colletellus): Australian Neopasiphaeinae, all but one with two submarginal cells (Hymenoptera, Colletidae, Leioproctus), ZooKeys 811, pp. 109-168 : 145-147

Leioproctus (Colletellus) quadripinnatus Leijs sp. n. Figure 25 A–I

Specimens examined.

(1♂): Holotype male, Eagle Bay (33.5591S; 115.0692E), 27 Sep. 1975, Spencer, K., WAM 19115.

Diagnosis.

Ocellocular area smooth with a few sparse fine punctures, metapostnotum entirely smooth, S7 slender dorsal and ventral apical lobes bearing robust simple setae.

Female unknown.

Description.

Male holotype: body length: 4.5 mm; head width: 1.5 mm. Relative head measurements: HW 50, ASD 3.3, AOD 5.9, HL 45, IAD 11.1, LFW 27, OAD 15, OOD 12.2, OW 18, UFW 37, HW/HL 1.1, LFW/UFW 0.7. Relative wing measurements: MSR 1.43, FSR 0.91, SFR 1.19.

Structure: terga anteriorly little depressed; BTP rounded, very short; flagellum short, F1-9 wider than long. S7: dorsal apical lobe slender, ventral apical lobe slender, robust simple setae present on dorsal subcentral apical ridge and ventral apical lobe; scape short.

Sculpture: scutum smooth sparsely punctate; metapostnotum smooth, without or very shallow microsculpture, almost wholly vertical; T1 lineo-reticulate, T2-3 transverse lineo-reticulate; clypeus shiny, openly punctate; supraclypeal area shiny, openly punctate; labrum orange; ocellocular area smooth with sparse fine punctures; scape dull.

Coloration: terga anteriorly brown, posterior margins transparent pale orange; mandibles brown with lighter tip.

Pubescence: scutum: medium length sparse, light brown; scutellum: medium length, sparse, light brown.

Flower records.

No data.

Distribution.

Figure 25I.

Etymology.

The specific epithet refers to thin feathery like apical lobes of the male sterna 7.