Merothrips, Hood, 1912

Ng, Y. F. & Mound, L. A., 2018, Merothripidae from Malaysia: Merothrips with one new species and two new species records, Zootaxa 4407 (3), pp. 447-450 : 447

Key to Merothrips species from Malaysia

1. Antennal segments III and IV with sensorium discoidal at external apex ( Fig. 10 ); antennal segment III 2.5 times as long as wide; pronotum with two pairs of prominent postero-angular setae of which the outer is much shorter than the inner ................. yii sp.n.

-. Antennal segments III and IV with sensorium transverse around apex ( Fig. 3 ); antennal segment III less than 2.0 times as long as wide; pronotum with only one pair of prominent postero-angular setae ......................................................................................... 2

2. Pronotum medially with prominent longitudinal sculpture lines that converge medially forming an hour-glass shape ( Fig. 5 ) ...... ................................................................................................................................................................................................ morgani

-. Pronotum with no sculpture lines medially, with a few transverse lines near posterior margin ........................................ floridensis

Figures

FIGURES7–13. Merothrips yii sp.n.(7) head;(8) pronotum; (9)fore tibia& tarsus(right); (10)antenna; (11) prosternites; (12) meso &metanota;(13) tergites VIII–X.

FIGURES 1–6. Merothrips species. M. floridensis (female) 1–4: (1) head & pronotum; (2) meso & metanotum; (3) antenna; (4) abdominal segments VIII–X.M.morgani (male)5–6:(5)head & pronotum; (6)fore leg (right).