Tylothrips osborni ( Hinds, 1902 )

Mirab-balou, Majid, Minaei, Kambiz & Ulitzka, Manfred R., 2022, A first record of the fungus-feeding genus Tylothrips (Thysanoptera, Phlaeothripidae) from Iran, Journal of Insect Biodiversity and Systematics 8 (2), pp. 183-189 : 184

Tylothrips osborni ( Hinds, 1902)

Eurythrips osborni Hinds, 1902:203

Female macroptera. Body and legs brown ( Fig. 1), abdominal segments VIII, IX, tube and antennal segments V–VIII darkest; III yellowish brown at the base ( Fig. 2); fore tibiae paler distally and all tarsi brownish yellow ( Fig. 3); all major setae pale.

Head as long as wide, not reticulate between the postocular setae, genae narrowed to compound eyes without setae; vertex irregularly transversely striate; stylets retracted less than half-way to postocular setae; postocular setae capitate ( Fig. 4). Antennal segments III and IV with 2 and 4 sense cones respectively. Pronotum smooth, with 4 pairs of capitate setae (anteroangulars, midlaterals, epimerals and posteroangulars) ( Fig. 5). Prosternal basantra and ferna developed, ferna wider than long ( Fig. 6); mesopresternum transverse; metathoracic sternopleural sutures absent. Fore tarsal tooth developed; fore femora with two pairs of long capitate setae, mid and hind femora each with one long capitate seta ( Fig. 3); meso and metathorax ventro-laterally each with a similar pair of setae. Forewing without duplicated cilia, bases of sub-basal setae arranged in a line, all capitate. Pelta almost bell shaped ( Fig. 7); abdominal tergites lateral setae capitate ( Fig. 9), setae on IX long and finely pointed ( Fig. 8); tube smooth with straight sides, anal setae shorter than tube. Abdominal sternites with a row of short setae.

Measurements. Body length 1790. Head length 165; width behind eyes 145; postocular setae 60. Pronotum, length 135; width 280; major setae anteroangulars 60, midlaterals 70, epimerals 85, posteroangulars 75. Tergite IX setae S1 148. Tube length 166, basal width 60. Antennal segments I–VIII length 34, 48, 63, 57, 59, 48, 39, 41.

Specimens examined. Female macroptera. IRAN, Ilam province, Manesht Mountain , on Quercus leaf litter, 18.vii.2017, leg. M. Mirab-balou.