Leioproctus (Colletellus) laciniosus 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 : 137-140

Leioproctus (Colletellus) laciniosus Leijs sp. n. Figures 2B, 19 A–M

Specimens examined.

(5♂, 3♀): Holotype female, Bon Bon Stn (30.7789S; 135.3841E), 26 Oct. 2010, Leijs, R., on Angianthus brachypappus , SAMA 32-033484, BOLD: AUSBS140-12/RL1673A.

Allotype male, same locality data as holotype, SAMA 32-033486; BOLD: AUSBS143-12/RL1673B.

Paratypes: female, SAMA 32-033483, BOLD: AUSBS141-12/RL1673C, male, SAMA 32-033485, BOLD: AUSBS142-12/RL1673D, same locality data as holo type; female, Lake Wilson, 11 Sept 2015, SA, 26.0285S; 129.6159E, P. Hudson; 3 males, Ooldea (30.8915S; 132.0925E), 03 Oct. 1968, Key, Upton, Balderson, ANIC 32-111874-6;

Diagnosis.

First recurrent vein meeting to the first submarginal cross vein, T2-4 with adpressed hair bands on posterior margins, female BTB rounded, inner hind tibial spur pectinate.

Description.

Female holotype: body length: 5.6 mm; head width: 1.9 mm. Relative head measurements: HW 50, ASD 2.6, AOD 8.3, HL 35, IAD 9.4, LFW 28, OAD 15, OOD 9.1, OW 17, UFW 33, HW/HL 1.4, LFW/UFW 0.8. Relative wing measurements: MSR 1.39, FSR 1.71, SFR 0.79.

Structure: terga anteriorly not depressed; BTP rounded; BTP/tibial length ratio 0.22; inner hind tibial spur pectinate with 10 teeth.

Sculpture: scutum smooth with sparse punctures; metapostnotum smooth, shiny, horizontal part shorter than vertical; T1 lineo-reticulate, T2-3 transverse lineo-reticulate; scape dull with microsculpture; clypeus shiny, openly punctate; supraclypeal area shiny, some punctures; labrum smooth; ocellocular area smooth, shiny; frons smooth openly punctate.

Coloration: terga anteriorly brown-orange, posterior margins transparent white, T2-4 with white adpressed hair bands; scopa white; labrum orange clypeus with orange anterior rim; mandibles orange with black tip; scape brown; flagellum F1-3 black, F4-10 orange/brown below.

Pubescence: scutum: dispersed, medium length, branched; scutellum: dispersed, medium length, branched; metanotum: medium length, branched, dense on posterior margin; S2-4 hair bands, long branched.

Description.

Male allotype: body length: 4.4 mm; headwidth: 1.6 mm. Relative head measurements: HW 50, ASD 2.4, AOD 6.6, HL 37, IAD 9.8, LFW 25, OAD 16, OOD 8.9, OW 17, UFW 33, HW/HL 1.4, LFW/UFW 0.8. Relative wing measurements: MSR 1.54, FSR 1.64, SFR 0.87.

Structure: terga anteriorly not depressed; BTP rounded. S7: dorsal apical lobe absent, ventral apical lobe large, branched setae present on apico medial area of ventral apical lobe.

Sculpture: scutum smooth with sparse punctures; metapostnotum shiny; T1 lineo-reticulate, T2-3 transverse lineo-reticulate; clypeus shiny, openly punctate; supraclypeal area shiny, openly to closely punctate; labrum; ocellocular area smooth, shiny, almost no punctures; frons smooth openly to sparsely punctate; vertex.

coloration: terga anteriorly brown-orange, posterior margins transparent white; mandibles brown at base, orange medially with brown tip; flagellum F1-3 black, F4-11 orange/brown below.

Pubescence: scutum: dispersed, medium length, branched; scutellum: dispersed, medium length, branched; metanotum: dispersed, medium length, branched; S2-4 with fringes of short hairs; scape shiny with medium length branched white hairs.

Remarks.

Four examined specimens have been DNA barcoded, accessible through the following links:

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS140-12

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS141-12

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS142-12

http://www.boldsystems.org/index.php/Public_RecordView?processid=AUSBS143-12

Flower records.

Angianthus brachypappus ( Asteraceae ).

Distribution.

Figure 19F.

Etymology.

The specific epithet refers to fringe of white hairs on the posterior T2-4.