Macrothripina
Creators: name: Okajima, Shûji
name: Masumoto, Masami
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Phlaeothripidae

description: Key to genera of Macrothripina from Asia
1. Pelta D-shaped, without lateral wings.......................................................... Dichaetothrip s
- Pelta wider, usually broadly triangular or trilobed............................................................ 2
2. Pronotum with a hook ventrally at each anterior angle; posterior margin of pronotum distinctly protruded posteriorly in male; two short and stout setae arising on small tubercles behind each eye in male; fore coxae with large recurved tubercle in male; inner surface of fore femora with pale stout setae................................................... Macrothrips
- Not as above......................................................................................... 3
3. Prosternal ferna large, longer than broad (Fig. 195); fore femora extremely developed, inner surface with numerous small tubercles widely and densely scattered at least in female....................................... Fernothrips gen. n.
- Prosternal ferna normal, wider than long; fore femora moderately developed, usually unarmed, if inner surface armed with tubercles, tubercles are arranged in a row, not widely scattered................................................. 4
4. Fore tibia with an inner subapical tubercle in both sexes.......................................... Diaphorothrips
- Fore tibia with or without an inner tubercle, if present it is situated apically, not subapically.......................... 5
5. Anteocellar setae well developed, much longer than postocellar setae; fore femur with row of tubercles or teeth on inner margin in female (often in male).................................................................... Machatothrips
- Not above combination of characters...................................................................... 6
6. Antennal segment III shorter than segment IV (cf. Fig. 10); sense-cones usually long and curved, but rarely shorter....... 7
- Antennal segment III longer than segment IV, or subequal in length; sense-cones usually short....................... 10
7. Maxillary stylets not reaching eyes, wider apart, V-shaped..................................... Ethirothrips (in part)
- Maxillary stylets reaching eyes, slightly apart or close together................................................. 8
8. Antennae 7-segmented, with incomplete suture between morphological segments VII and VIII; maxillary stylets about 1/3 of head width apart; posterior margin of pelta concave medially......................................... Peltariothrips
- Antennae 8-segmented; head much longer than broad; maxillary stylets close together medially; posterior margin of pelta not concave............................................................................................. 9
9. Head strongly elevated dorsally along midline, longer than 2.2 times as long as broad (cf. Figs 1 & 15); cheeks without ommatidium-like structure.................................................................. Aesthesiothrips
- Head slightly elevated dorsally, shorter than 2.0 times as long as broad; cheeks each with an ommatidium-like structure near middle.................................................................................... Tarassothrips
10. Head with a pair of ommatidium-like structures on cheeks ventro-laterally near base (cf. Fig. 203); maxillary stylets deeply retracted to eyes, close together (cf. Fig. 204); metanotum and pelta weakly sculptured.................. Polytrichothrips
- Not above combination of characters..................................................................... 11
11. Head elongate, usually longer than 2.0 times as long as broad; cheeks each with a largely developed ommatidium-like structure just behind eye; postocellar setae elongate......................................................... Celidothrips
- Head variable in length, if longer than 2.0 times as long as broad, postocellar setae short; ommatidium-like structure, if present, slightly developed.................................................................................... 12
12. Fore femora unarmed; inner margin of fore tibia not ridged.................................... Ethirothrips (in part)
- Fore femur with a row of small tubercles on inner margin in both sexes (Figs 198 & 199); inner margin of fore tibia with a line of ridge................................................................................... Ischyrothrips
description: Published as part of Okajima, Shûji & Masumoto, Masami, 2023, Six genera of the subtribe Macrothripina from Southeast Asia to Taiwan (Thysanoptera, Phlaeothripidae, Idolothripinae), pp. 1-74 in Zootaxa 5291 (1) on page 6, DOI: 10.11646/zootaxa.5291.1.1, http://zenodo.org/record/7959311