Neohydatothrips sidae (Crawford)

Lima, Élison Fabrício B. & Mound, Laurence A., 2016, Species-richness in Neotropical Sericothripinae (Thysanoptera: Thripidae), Zootaxa 4162 (1), pp. 1-45: 39

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Neohydatothrips sidae (Crawford)


Neohydatothrips sidae (Crawford) 

( Figs 39View FIGURES 32 – 40, 58View FIGURES 50 – 66, 107, 108View FIGURES 104 – 110)

Sericothrips sidae Crawford, 1944: 200  .

Female macroptera. Colour: body bicoloured ( Fig. 107View FIGURES 104 – 110), head light brown, pronotum brownish yellow with posteroangular setae dark brown, mesonotum and metanotum brown, tergites II –VIII with antecostal ridge dark brown, II –VI light brown, VII –X brown, X light brown; fore wing brown with pale sub-basal band, clavus shaded in basal half; antennal segment I pale, II weakly shaded, III brown near base but pale medially, IV brown with yellow base; hind tibiae yellow, femora shaded with light brown.

Structure: Occipital apodeme not confluent with eyes, ocellar area striate with markings between the striae ( Fig. 39View FIGURES 32 – 40); antennal segments III & IV without a strongly constricted apical neck; pronotum transversely striate with no internal markings, striae of blotch more closely spaced than those of anterior area ( Fig. 39View FIGURES 32 – 40); mesonotum and metanotum closely striate; metasternal plate with shallow emargination ( Fig. 58View FIGURES 50 – 66); fore wing second vein with one or two setae distally; tergites VII –VIII with complete comb of microtrichia on posterior margin but this is short medially on VII, no comb medially on remaining tergites; tergite IX with 2 pairs of mid-dorsal setae; sternites III – VI with microtrichia medially, VII with few microtrichia medially.

Male macroptera. Similar to female, but smaller and with tergite VII paler than VIII ( Fig.108View FIGURES 104 – 110).

Larva II. Clear yellow with microtrichia on dorsal surface. Antennae 7-segmented, segment I and III-VII light brown, II brown. Thorax with brown sclerotized areas on mesonotum and metanotum. Body with several brown setae with fringed, expanded apices, about 8 microns long medially on thorax and 14 microns laterally on thorax and abdominal tergites I –IV; sternal setae acute.

Material studied. Holotype female, BRAZIL, São Paulo, Sida rhombifolia  ( USNM)  ; Santa Catarina State, Nova Teutônia [Seara], 12 females  , 1 male from Sida  sp., 6.i.1949 (JDH 2024); 8 females, 2 males from Cedrella  , 9.xi.1949 (JDH 2042A); 7 female, 2 male from Balfourodendron licanum  , 20.xii.1949 (JDH 2082); 2 female, 1 male from Fagara  [ Rutaceae  ], 24.x.1949 (JDH 2069); 5 females, 29.xii.1948 (JDH 2016); 1 female from Dalbergia  , 15.x.1949 (JDH 2066); 1 female from Morus nigra  , 5.xi.1949 (JDH 1784); 1 female, 20.v.1949 (JDH 2041); 1 female from Myrtaceae  , 10.x.1949 (JDH 2064); 1 female, 15.xi.1949 (JDH 2017A); 3 females from grasses, i.1954 (JDH 2113/4) ( USNM). ARGENTINA, Tucuman Province  , 2 females, 2 larvae II, 19.ii.2015 (B. Carrizo) (UNJA).

Comments. This species is difficult to define clearly, because abdominal tergites V and VI appear to be variable in the intensity and extent of brown colour. The species was described from specimens collected at São Paulo, but further specimens have been studied from Santa Catarina and Rio Grande do Sul States as well as Argentina (first record for that country). The body is not as strongly bicoloured as in some species, but abdominal segments III –VI are mainly light brown with the antecostal ridge dark and anterolateral brown shadings, and tergites VII –IX are dark brown with X almost yellow. Tergites V –VI are sometimes pale to variably light brown.


Smithsonian Institution, National Museum of Natural History














Neohydatothrips sidae (Crawford)

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

Sericothrips sidae

Crawford 1944: 200