Fungus-feeding phlaeothripine Thysanoptera in the genus Holothrips from Australia and New Caledonia, with a structurally similar new genus, Holoengythrips Author Mound, Laurence A. Australian National Insect Collection, CSIRO, PO Box 1700, Canberra, ACT 2601. E-mail: laurence. mound @ csiro. au Author Tree, Desley J. Queensland Primary Industries Insect Collection (QDPC), Department of Agriculture, Fisheries and Forestry, Queensland, Ecosciences Precinct, GPO Box 267, Brisbane, Qld, 4001. E-mail: Desley. Tree @ daff. qld. gov. au text Zootaxa 2014 2014-09-04 3860 2 125 148 journal article 4851 10.11646/zootaxa.3860.2.2 24969123-dce4-499a-aa81-55469cf1713a 1175-5326 4930156 EFF3B789-5578-4E7B-B6C7-3895511E0CE4 Holoengythrips tallagandai sp.n. ( Figs 39 , 58, 59 , 69 ) Female macroptera : Body and legs brown, mid and hind femora paler distally, tarsi yellowish brown; antennal segment I and base of III yellowish brown, II light brown, remaining segments brown, major setae shaded. Head much longer than wide ( Fig. 39 ), dorsal surface almost without sculpture, ocelli well-developed, cheek setae weak, postocular setae pointed and shorter than eye length; mouth cone not extending to ferna. Antennal segment III with 2 sensoria, IV with 4 sensoria; IV–VII with parallel-sided pedicel, VIII slightly constricted at base. Pronotum transverse, with no sculpture, 5 pairs of pointed major setae. Fore tarsal tooth pointed, less than half as long as tarsal width. Mesonotal lateral setae longer than posterior pairs; metanotum with one pair of small major setae, without sculpture medially. Fore wing parallel-sided, with 6 or 7 duplicated cilia; sub-basal setae short, variable in length and number. Prosternal ferna scarcely meeting medially; mesopresternum of two slender sclerites, mesoeusternal margin weakly angulate ( Fig. 59 ); metathoracic sternopleural sutures present. Pelta anterior margin rounded; tergites with almost no sculpture, II–VII with two pairs of wing-retaining setae; major setae on II–VIII pointed; tergite IX setae S1 and S2 pointed. Anal setae shorter than tube. Sternites with one row of about 10 small discal setae. Measurements ( holotype female in microns). Body length 2000. Head, length 275; median width 175; postocular setae 60. Pronotum, length 110; median width 250; major setae: am 25, aa 25, ml 25, epim 55, pa 40. Tergite IX setae: S1 100, iS 35, S2 110. Tube length 130. Antennal segments III–VIII length 60, 55, 55, 52, 48, 30. Female microptera : similar to macroptera but wing-retaining setae short and straight. Male microptera : Similar to female in colour and structure except, fore tarsal tooth longer than tarsal width, fore femora slightly swollen, fore coxae with several short stout setae; mesothoracic spiracular area prominent; mesoeusternal margin sharply angulate ( Fig. 58 ), mesopresternum of two strongly divergent triangles; sternite VIII with pore plate occupying anterior two-thirds of sclerite ( Fig. 69 ). Measurements ( paratype male in microns). Body length 2500. Tergite IX setae: S1 100, iS 35, S2 50 . Material studied . Holotype female macroptera, New South Wales , Tallaganda , Lowden Forest Park , from dead Eucalyptus , 9.ii.2013 ( LAM 5736 ). Paratypes : 3 female macropterae taken with holotype . Australian Capital Territory , Black Mt. , from dead branch , 1 male microptera, 28.viii.1995 , 1 male microptera, 26.ii.2011 . Victoria , Nelson , 1 male microptera from Acacia dead twigs, 13.iii.2011 . Queensland , Lamington , O’Reillys , 1 male from dead leaves, 11.x.2006 . Comments . This species is very similar in body structure to maynardae , but it is uniformly dark brown, has only two sensoria on the third antennal segment, and the male lacks a tubercle at the apex of the fore tibia.