Acallurothrips yagara, Mound & Tree, 2021

Mound, Laurence A. & Tree, Desley J., 2021, Tubuliferous Thysanoptera inAustralia with an enlarged tenth abdominal segment (Phlaeothripidae, Idolothripinae), including six new species, Zootaxa 4951 (1), pp. 167-181: 171-172

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Acallurothrips yagara


Acallurothrips yagara   sp.n.

( Figs 3 View FIGURES 1‒13 , 26, 31 View FIGURES 23‒33 )

Female macroptera. Body brown with apex of abdomen darker and tube black; legs brown with mid and hind femora yellow at apex; antennal segment I yellow, II shaded, III–VIII brown but base of III–V paler; fore wings strongly shaded with darker longitudinal line. Head wider than long, postocular setae pointed and longer than eye length; two posterolateral ommatidia larger than remaining facets; maxillary stylets retracted to level of eyes, widely spaced. Antennal segment III with 2 sense cones, IV with 4 straight sense cones; suture between segments VII and VIII present ventrally but not dorsally ( Fig 26 View FIGURES 23‒33 ). Pronotum smooth, with 5 pairs of major setae, am setae smallest, epim setae long; notopleural sutures not always complete. Prosternal basantra weakly sclerotised, ferna transverse, mesopresternum reduced to irregular median sclerite ( Fig. 31 View FIGURES 23‒33 ); metathoracic sternopleural sutures present. Metanotum weakly reticulate. Fore wing without duplicated cilia, sub-basal setae not elongate. Pelta reticulate, transverse, but separated from anterior margin of tergite II; tergite II eroded laterally; tergites II–VII without defined wing-retaining setae, setal pair S3 as long and as fine as posteroangular pair S4; tergite VIII setal pair S1 long and fine, S3 short and slightly stout; tergite IX setae S1, S2 and S3 long and fine and slightly longer than tube; intermediate setae SB1 short and fine, SB2 more than half as long as S1; between setae S2 and S3 there is an intermediate seta that is as long as SB1 but stout. Tube bee-hive shaped, sharply constricted to anal ring ( Fig. 3 View FIGURES 1‒13 ).

Measurements (holotype female in microns). Body length 2050. Head, length 160; width 210; postocular setae 90. Pronotum, length 135; width 325; major setae—am 20, aa 30, ml 50, epim 120, pa 75. Fore wing, length 850; longest sub-basal seta 45. Tergite V setae S3 130. Tergite IX setae—S1 215, SB1 75, SB2 130, S2 220, S3 180. Tube, length 230; maximum width 200; width at anal ring 25. Antennal segments III–VII length 65, 55, 55, 50, 75.

Male aptera. Very similar to female in colour and structure but meso and metanota more transverse; head without ocelli; metanotal reticulation weak; tergal setae S2 as long and fine as S3; tergite IX lacking setal pair SB2.

Specimens studied. Holotype female, Australia, Queensland, D’Aguilar National Park, Mt Glorious [S27.3325 E152,759], from dead wood, 1.xi.2007 ( DJT 554), in ANIC. GoogleMaps  

Paratypes: Queensland: Lamington National Park, O’Reilly’s , 2 females 1 male from dead twigs, 9‒11.x.2006   ; Bunya Mts , 2 females, 6.x.1984   , 1 female 30.xii.2010   , 1 female, 22.xii.2011, from dead branches; Yarraman , 3 females from dead branches, 27.iv.2010   ; Blackbutt Range , 1 female, 1 male from dead branch, 27.iv.2010   ; Kenilworth , 1 female from dead branch, 26.ii.2010   ; Atherton , 2 females from dead mossy twig, 1.viii.2004   .

Comments. This species is closely similar to spinurus Okajima   from Honshu, Japan, but has the tube distinctly more robust, and setae SB2 on tergite IX more slender. Also similar is tubullatus Wang & Tong (2008) from Guangdong, China, but the original illustration indicates a shorter and broader tube. Most of the collection localities listed above are from within 200km northwest of Brisbane, in rainforest areas; Atherton however is in northern Queensland. The name of this species refers to the people of Southeastern Queensland.


Australian National Insect Collection