Neohydatothrips sophorae, Feng & Wang & Tong, 2021

Feng, Qingjing, Wang, Jiayang & Tong, Xiaoli, 2021, Neohydatothrips from China, with one new species and one new record (Thysanoptera: Thripidae), Zootaxa 5057 (4), pp. 562-570 : 566-568

Neohydatothrips sophorae sp. n.

( Figs 10–19 )

Female macroptera. Body bicoloured ( Fig. 10 ), head, pterothorax and abdominal segments I–III and VII–X dark brown, abdominal segments IV–VI yellow with brown antecostal ridge medially; antennal segment I & II yellow, III yellow with apical neck pale brown, IV–VIII brown ( Fig. 14 ); all legs yellow except femora infuscated; fore wing pale with 2 short brown bands at base (including clavus) and near sub-basal area ( Figs 10 & 15 ). Head ( Fig. 11 ) approximately 2 times wider than long, weakly sculptured with transverse anastomosing striae on posteromargin dorsally, ocellar triangle weakly and irregularly reticulate; eye with 5 pigmented facets; occipital apodeme not confluent with posterior margin of eyes, distance between posterior margin of compound eyes and occipital apodeme approximately 2.0 times as long as diameter of one ommatidium; three pairs of ocellar setae present, pair III within or on margins of ocellar triangle; postocular setae pair I longer than distance between hind ocelli, much longer than remaining setae. Antennae 8-segmented ( Fig. 14 ), segments III and IV each with forked sense cone and apical neck, II–VI with transverse rows of microtrichia. Maxillary palps 3-segmented; mouth cone extending between fore coxae. Pronotum rectangle, approximately 2 times wider than long, sculptured with transverse anastomosing striae, no wrinkles among striae; blotch shaded with more closely spaced striae ( Fig 12 ). Mesonotum closely sculptured with transverse striae; median pair of setae anterior to submedian pair ( Fig. 13 ). Metanotal striations transverse at anterior and posterior, closely longitudinal medially; median pair of setae on anterior margin ( Fig. 13 ); metasternal plate with anterior emargination ( Fig. 16 ). Fore wing first vein with complete setal row of 19–23 setae, second vein with no setae ( Fig. 15 ). Abdominal tergites covered with microtrichia except behind campaniform sensilla ( Fig. 18 ); all tergites but IX with a pair of campaniform sensilla; tergite IX sculptured weakly with transverse anastomosing striae medially and no microtrichia; posterior margins of tergites each with a craspedum bearing microtrichia ( Fig. 17 ), that on tergite I interrupted medially; tergites VII–VIII with posteromarginal comb complete ( Fig. 17 ); tergite IX with 2 pairs of mid-dorsal setae. Sternites II–VI with weak craspedum bearing microtrichia interrupted by encircling of posteromarginal setae; sternites without discal setae, III–VII with 3 pairs of posteromarginal setae, II with 2 pairs; VII with all setae in front of posterior margin ( Fig. 19 ).

Measurements (holotype female in microns). Distended body length 1285. Head length (width) 88 (200); compound eyes dorsal length (width) 76 (60). Antennal segments I–VIII length (width) as follows: 30 (28), 40 (30), 72 (18), 62 (18), 50 (16), 60 (16), 14 (5), 20 (4). Ocellar setae III length 32; postocular setae I length 44. Pronotal median length (width) 136 (248). Fore wing length 836. Abdominal tergite IX length 72, tergite X length 66.

Male. Unknown.

Material examined. Holotype female, CHINA, Xinjiang, Shihezi City, The Experimental Farm of Shihezi University , 6.v.2021, collected from the flowers of Sophora alopecuroides [ Fabaceae ] Jiayang Wang. Paratypes: one female, same data as holotype.

Etymology. The specific epithet is derived from the genus name of the plant from which the specimens were collected.

Remarks. This new species is similar to Neohydatothrips gracilicornis (Williams) in structure by sharing abdominal tergites with craspedum bearing microtrichia on posterior margins, but it can be readily distinguished by the following combination of characteristics: (1) body bicoloured, abdominal segments dark brown except segments IV–VI yellow (versus body uniformly dark brown in N. gracilicornis ); (2) antennal segment I yellow (versus segment I brown basally, yellow at apex in N. gracilicornis ); (3) fore wing pale with 2 short brown bands (versus fore wing dark brown with one pale band sub-basally in N. gracilicornis ); (4) fore wing second vein without setae (versus the second vein with one seta in N. gracilicornis ).

Figures

FIGURES 10–16. Neohydatothrips sophorae sp. n., female: (10) N. sophorae sp. n. female; (11) Head; (12) Pronotum; (13) Meso-& metanotum; (14) Antenna; (15) Fore wing; (16) Metasternal plate.

FIGURES 17–19. Neohydatothrips sophorae sp. n., female: (17) Tergites II–X; (18) Partial tergites III & IV; (19) Sternites VI & VII.