Heliothrips

Silva, Larinne De Maria Rocha, O’Donnell, Cheryle A. & Lima, Élison Fabrício Bezerra, 2024, Species identity crisis among New World members of the genus Heliothrips (Thysanoptera: Thripidae: Panchaetothripinae), Zootaxa 5489 (1), pp. 153-172 : 154-155

Key to Heliothrips species

(adapted from Lima et al. 2020; excluding ardisiae , nomen dubium)

1. Metascutal triangle with posteromarginal flange absent or not reaching anterior margin of metascutellum; campaniform sensilla on abdominal tergite I placed on the reticulate area ( Figs 98, 100 )......................................... similis

-. Metascutal triangle with posteromarginal flange extending over anterior margin of metascutellum ( Figs 15 , 24 ); campaniform sensilla on tergite I anterior to the reticulate area ( Figs 71, 75 , 109 )............................................. 2

2. Femora dark brown, in contrast to the yellow tibiae ( Fig. 105 ); ventral sense cone on antennal segment IV about 0.75 times as long as the segment length ( Fig. 107 )................................................................ zucchi

-. Femora yellow ( Figs 40 , 59 ); ventral sense cone on antennal segment IV about 0.45 times as long as the segment length... 3

3. External sense cone on antennal segment IV not reaching the basal half of segment VI; antennal segments IV and V constricted basally at both sides of the segment ( Figs 48 , 57, 60 ); males with either oval or transverse pore plates on sternites III–VII ( Figs 68, 76, 77 )............................................................................. haemorrhoidalis

-. Body color brown ( Figs 1, 6 )............................................................................ 4

4. Antennal segment VI mostly pale, only with apex light brown; mesonotum with transverse reticles..... angustior stat. rev.

-. Antennal segment VI almost fully brown, sometimes only extreme base lighter; mesonotum with polygonal reticles................................................................................................ flamengo sp. n.

Figures

FIGURES 93–104. Heliothrips similis. (93) female; (94) mature male; (95) teneral male; (96) antenna; (97) head and pronotum; (98) meso- and metanotum specimen 1; (99) meso- and metanotum specimen 2; (100) abdominal tergite I with median pair of campaniform sensilla displaced laterally; (101) abdominal tergites VIII–X; (102) male abdominal sternites II–VIII (specimen 1); (103) male abdominal sternites II–VIII (specimen 1); (104) male abdominal sternites II–VIII (teneral specimen).

FIGURES 8–16. Morphological variations on antennae, meso- and metanotum of Heliothrips angustior in Central America. Specimens from Honduras 8-10: (8) meso- and metanotum of specimen 1; (9) meso- and metanotum of specimen 2; (10) antenna. Specimens from Panama 11-16: (11) meso- and metanotum of specimen 1; (12) antenna of specimen 1; (13) meso- and metanotum of specimen 2; (14) antenna of specimen 2; (15) meso- and metanotum of specimen 3; (16) meso- and metanotum of specimen 4.

FIGURES 17–29. Morphological variations on Heliothrips angustior in some Brazilian states. Specimens from Goiás 17- 18: (17) meso- and metanotum; (18) antenna. Specimens from Maranhão 19-21: (19) meso- and metanotum; (20) antenna of specimen 1; (21) antenna of specimen 2. Specimens from Piauí 22-23: (22) meso- and metanotum; (23) antenna. Specimens from Mato Grosso 24-26: (24) meso- and metanotum; (25) antenna of specimen 1; (26) antenna of specimen 2. (27) meso- and metanotum of Ceará specimen; (28) meso- and metanotum of Rio Grande do Norte specimen; (29) meso- and metanotum of Acre specimen.

FIGURES 65–77. Male Heliothrips haemorrhoidalis in Brazil and Colombia. Rio de Janeiro (Jacarepaguá) specimen 65– 68: (65) habitus; (66) antenna; (67) meso- and metanotum; (68) abdominal sternites II–VIII. Santa Catarina (Nova Teutônia) specimen 1 69–72: (69) habitus; (70) antenna; (71) meso- and metanotum; (72) abdominal sternites II–VIII. Santa Catarina (Nova Teutônia) specimen 2 73–76: (73) habitus; (74) antenna; (75) meso- and metanotum; (76) abdominal sternites II–VIII. (77) abdominal sternites of Colombia specimen.

FIGURES 105–111. Heliothrips zucchi. (105) female; (106) male; (107) antenna; (108) head and pronotum; (109) meso- and metanotum and abdominal tergite I; (110) abdominal tergites VIII–X; (111) male abdominal sternites II–VIII.

FIGURES 40–46. Heliothrips flamengo sp. n. (40) female; (41) male; (42) antenna; (43) head and pronotum; (44) meso- and metanotum; (45) abdominal tergites VIII–X; (46) male abdominal sternites II–VIII (part).

FIGURES 56–64. Female Heliothrips haemorrhoidalis in Brazil. Rio de Janeiro (Jacarepaguá) specimen 56–58: (56) habitus; (57) antenna; (58) meso- and metanotum. Rio Grande do Sul specimen 59–61: (59) habitus; (60) antenna; (61) meso- and metanotum. Santa Catarina (Nova Teutônia) specimen 62–64: (62) habitus; (63) antena; (64) meso- and metanotum.

FIGURES 47–55. Female Heliothrips haemorrhoidalis in the Americas. (47) head, pro- and mesonotum of Costa Rica female. California (USA) female specimen 48–49: (48) antenna; (49) meso- and metanotum. Colombia specimen 50–52: (50) antenna; (51) meso- and metanotum of specimen 1; (52) meso- and metanotum of specimen 2. (53) meso- and metanotum of Ecuador specimen; Peru specimen 54–55: (54) antenna; (55) meso- and metanotum.

FIGURES 1–7. Heliothrips angustior type specimens. (1) type females; (2) head and pronotum; (3) right antenna; (4) left antenna; (5) meso- and metanotum of left specimen; (6) meso- and metanotum of right specimen; (7) abdominal tergites VIII– X.