Enneothrips amazonicus, Vieira & O’Donnell & Lima, 2024

Vieira, Daniel Elizeu, O’Donnell, Cheryle A. & Lima, Élison Fabrício B., 2024, Enneothrips Hood: a Neotropical genus of leaf-feeding thrips (Thysanoptera: Thripidae) with generic diagnosis and four new species, Zootaxa 5397 (4), pp. 563-577 : 565-568

Enneothrips amazonicus sp. n.

( Figs 1, 2 , 17, 27 , 37 , 47 , 62, 65 )

Female macroptera. Body bicolored, brown and yellow ( Fig. 1 ).Antennal segments I–II brown, III–V yellow basally and brown apically, VI–IX brown ( Fig. 17 ). Femora and tibiae yellow, except for apex of hind femora, brown. Head yellow medially and brown laterally, ocellar triangle brown ( Fig. 27 ). Fore wing brown, with a pale circular spot at basal quarter ( Fig. 47 ). Abdominal tergite II brown, III mostly brown with anterior and posterior angles yellow, IV brown medially and yellow laterally, V–VIII mostly brown with lateral edges yellow, IX–X anterior half yellow and posterior half brown. Ocellar triangle without sculpture, ocellar setae III inside the triangle; posterior area of head transversely striate; mouth cone reaching anterior half of mesosternum. Pronotum transversely striate ( Fig. 27 ). Mesonotum transversely striate, about 20 lines of sculpture. Metanotum transversely striate anteriorly and reticulate posteriorly, reticles with internal markings ( Fig. 37 ). Abdominal tergites II–VII with around 20 transverse lines of sculpture on lateral thirds; II–VI with posteromarginal comb of microtrichia incomplete, VII–VIII with complete posteromarginal comb of microtrichia ( Fig. 62 ).

Measurements— holotype in microns: Body length 1475. Head length 85, width 140; pronotum length 110, width 160; fore wing length 610; antennal segments I–IX length, respectively 22, 27, 37, 44, 37, 30, 12, 10, 15.

Male macroptera. Similar to female, but smaller ( Fig. 2 ). Opening close to antecostal ridge of abdominal sternite III associated with subcutaneous gland situated between sternites II–III ( Fig. 65 ).

Measurements— paratype in microns: Body length 1250. Head length 65, width 110; pronotum length 105, width 132; fore wing length 500; antennal segments I–IX length respectively I–IX 15, 27, 42, 42, 40, 37, 15, 10, 17.

Etymology. The species has been collected in two Amazonian states of Brazil (Amazonas and Acre), which is the reason for its name etymology.

Material studied. Female holotype: Brazil. Acre: Rio Branco , on Fabaceae , 24.vii.2019. (E.F.B.Lima col.) ( CHNUFPI) . Paratypes. Brazil. Acre: Rio Branco , one female and one male, collected with the holotype; same date and locality, unknown host, two females; same date and locality, on Ziginberaceae, one female (E.F.B.Lima col.); same locality, on shrub, one male (E.A.Miyasato & E.F.B. Lima col.) ; Amazonas: Manaus , on Fabaceae , 2.viii.2019, two females (E.F.B.Lima col.) ( CHNUFPI and ESALQ) .

Comments. This species is similar to E. flavens in terms of general body color and the metanotal sculpturing, however it can be distinguished by the remarkably complete posteromarginal comb of microtrichia on tergite VII ( Fig. 62 ), and the pattern of tergites coloration ( Figs 1, 2 ). Enneothrips flavens has abdominal tergite IX bicolored, but the brown area in this species is light, not dark as in amazonicus sp. n. One specimen with almost completely brown tergites, short teeth medially on tergite VII and darker hind femora seems to belong to this species but was not included as a paratype. The species seems to be associated with an unidentified Fabaceae , as is common among other Enneothrips .

Figures

FIGURES 1–16. Enneothrips species. amazonicus sp. n. (1) female, (2) male; atlanticus sp. n. (3) female; enigmaticus (4) female, (5) male; flavens (6) female, (7) male; flaviceps (8) female, (9) male; fulbrightae sp. n. (10) female, (11) male; fuscus (12) female; gustaviae (13) female, (14) male; manauara sp. n. (15) female; subtilis (16) female.

FIGURES 17–34. Enneothrips species. Antenna 17–26: (17) amazonicus sp. n.; (18) atlanticus sp. n.; (19) enigmaticus; (20) flavens; (21) flaviceps; (22) fulbrightae sp. n.; (23) fuscus; (24) gustaviae; (25) manauara sp. n.; (26) subtilis. Head and pronotum 27–34: (27) amazonicus sp. n.; (28) atlanticus sp. n.; (29) enigmaticus; (30) flavens; (31) flaviceps; (32) fulbrightae sp. n.; (33) fuscus; (34) gustaviae.

FIGURES 35–43. Enneothrips species. Head and pronotum 35–36: (35) manauara sp. n.; (36) subtilis. Meso- and metanotum 37–43: (37) amazonicus sp. n.; (38) atlanticus sp. n.; (39) enigmaticus; (40) flavens; (41) flaviceps; (42) fulbrightae sp. n.; (43) fuscus.

FIGURES 44–59. Enneothrips species. Meso- and metanotum 44–46: (44) gustaviae; (45) manauara sp. n.; (46) subtilis. Fore wing 47–56: (47) amazonicus sp. n.; (48) atlanticus sp. n.; (49) enigmaticus; (50) flavens; (51) flaviceps; (52) fulbrightae sp. n.; (53) fuscus; (54) gustaviae; (55) manauara sp. n.; (56) subtilis. Enneothrips atlanticus sp. n. 57–58: (57) meso- and metafurca; (58) abdominal tergites III–V. (59) abdominal tergites IV–V of flaviceps.

FIGURES 60–66. Abdominal tergites IV–V 60–61: (60) fulbrightae sp. n.; (61) fuscus. Abdominal tergites 62–64: (62) amazonicus sp. n. (VII–X); (63) atlanticus sp. n. (VII–IX); (64) gustaviae (V–X). Male sternites II–III 65–66: (65) amazonicus sp. n.; (66) enigmaticus.