Neohydatothrips sulcus, Lima, Élison Fabrício B. & Mound, Laurence A., 2016

Lima, Élison Fabrício B. & Mound, Laurence A., 2016, Species-richness in Neotropical Sericothripinae (Thysanoptera: Thripidae), Zootaxa 4162 (1), pp. 1-45 : 40

Neohydatothrips sulcus sp. n.

( Figs 41 , 63 )

Female macroptera. Colour: body mainly yellow with ocellar area shaded light brown, antecostal ridges on tergites II–VI brown with yellowish brown areas posterolaterally; antennal segment I yellow, II yellowish brown, III light brown with base and apex brown, IV light brown on basal half but brown on apical half ( Fig. 63 ), V brown with base light brown, VI–VIII brown; fore wing uniformly pale brownish grey.

Structure: Occipital apodeme not touching posterior margin of compound eyes; ocellar setae pair III on external margins of ocellar triangle, ocellar triangle smooth ( Fig. 41 ); pronotum closely striate with indistinct blotch ( Fig. 41 ); mesonotum striate, median setal pair anterior to the lateral; metanotum anterior half transversely striate, posterior half longitudinally striate, two pairs of setae on anterior margin. Metasternal plate with very shallow anterior emargination; fore wing second vein with two setae; tergites II–VI with comb of microtrichia incomplete medially, comb complete on VII–VIII; tergite IX with 2 pairs of mid-dorsal setae; sternites III–VII with no microtrichia medially.

Measurements (holotype female in microns): Body length 985, Head length 65, width 148; ocellar setae III length 20. Pronotum length 110, width 175. Fore wing length 600. Antennal segments I–VIII length 20, 33, 43, 38, 35, 38, 5, 8.

Male macroptera. Similar to female, but smaller; sternites without pore plates.

Measurements (paratype male in micros): Body length 720, Head length 53, width 130; ocellar setae III length 13. Pronotum length 98, width 135. Fore wing length 470. Antennal segments I–VIII length 15, 30, 40, 29, 24, 26, 3, 5.

Material studied. Holotype female. BRAZIL, Rio Grande do Sul State, Santo Antônio das Missões, 1 female from Vachellia caven (labelled as Acacia caven ) 3.ii.2013 (A. Cavalleri) ( UFRGS).

Paratypes. BRAZIL, Rio Grande do Sul State, Santo Antônio das Missões, 2 males and 2 females collected with the holotype, 3.ii.2013 (A. Cavalleri), Barra do Quaraí , 1 female and 1 male from same host as holotype, 18– 19.ix.2003 (S.M.J.Pinent) ( UFRGS) ; Piauí State, Teresina , 1 female from Caesalpinia pulcherrima , 6.i.2012 (E.F.B.Lima) ( UFPI) .

Comments. This new species is similar to N. luculentus and N. zucchi , but has shorter sense cones in antennal segments III and IV. It seems to be associated to Vachellia caven flowers [ Fabaceae ] in southern Brazil, although one specimen was collected from another Fabaceae in the northeast.

Figures

FIGURES 41 – 49. Neohydatothrips species. Head and pronotum 41 – 44: (41) sulcus; (42) tibialis; (43) zucchi; (44) varius. Meso and metanotum 45 – 49: (45) basilaris; (46) chelinus; (47) hemileucus; (48) clavisetis; (49) hadrosetae.

FIGURES 50 – 66. Neohydatothrips species. Head and pronotum 50 – 51: (50) paraensis; (51) burungae. (52) samayunkur, pro, meso and metanotum. Metasternal plate 53 – 59: (53) burungae; (54) chelinus; (55) dosulis; (56) gracilipes; (57) humberto; (58) sidae; (59) inversus. (60) burungae male sternite VII. Antennal segments III – V: (61) inversus paratype; (62) geminus paratype; (63) sulcus. Antennal segments III – VIII: (64) novateutoniae; (65) renatae; (66) plaumanni.