Scirtothrips Shull 1909
Creators: name: Rachana, R. R.
name: Amarendra, B.
name: Sushil, S. N.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Thripidae
Scirtothrips

description: Key to Scirtothrips species from India
[*based on original description.]
1. Abdominal sternites II–VI with numerous rows of microtrichia extending medially across at least on the posterior half..... 2
-. Abdominal sternites II–VI with rows of microtrichia not extending medially but restricted to lateral areas............... 6
2. Abdominal sternites II–VI with complete posteromarginal comb of microtrichia; male tergite IX with drepanae... donumdei
-. Abdominal sternites II–VI with no posteromarginal comb of microtrichia; male tergite IX without drepenae............. 3
3. Abdominal sternites with pale transverse antecostal ridge............................................. pteridicola *
-. Abdominal sternites with dark transverse antecostal ridge......................................................4
4. Antecostal ridge on abdominal tergites III–VII dark but interrupted medially.................................. hitam *
-. Antecostal ridge on abdominal tergites III–VII not interrupted medially.......................................... 5
5. Abdominal tergites with median area and antecostal ridge dark, lateral microtrichial fields with 3 discal setae....... dorsalis
-. Abdominal tergites with median area and antecostal ridge pale, lateral microtrichial fields with 4–5 discal setae.................................................................................................... oligochaetus *
6. Postocular setal row with one pair of postocular setae longer than remaining setae mesad of compound eyes (Fig. 14); fore wing with posteromarginal cilia straight; metathoracic spinula recurved to each side at apex (Fig. 22); male tergite IX without drepanae....................................................................................... machili
-. Postocular setal row with two pairs of postocular setae longer than remaining setae mesad of compound eyes (Fig. 4); fore wing with posteromarginal cilia straight or wavy; metathoracic spinula not recurved at apex; male tergite IX with or without drepanae............................................................................................ 7
7. Lateral microtrichial fields of abdominal tergites with 4 setae; male tergite IX with drepanae.......................... 8
-. Lateral microtrichial fields of abdominal tergites with 3 setae; male tergite IX with or without drepanae................. 9
8. Ocellar setae III placed anterior to tangent between anterior margins of hind ocelli; abdominal tergites with antecostal ridge pale; fore wing with posteromarginal cilia wavy; metanotum reticulate................................... mangiferae
-. Ocellar setae III on or just within anterior margins of ocellar triangle; abdominal tergites with antecostal ridge dark; fore wing with posteromarginal cilia straight; metanotum transversely striate at anterior, longitudinally striate medially....... .. fulleri *
9. Ocellar setae III at the tangent between the fore and hind ocelli, close to fore ocelli; fore wing with posteromarginal cilia wavy at tips; male tergite IX with drepanae................................................................ quercus *
- Ocellar setae III placed between the hind ocelli or anterior to hind ocelli, on tangent between anterior margins of hind ocelli; fore wing with posteromarginal cilia straight; male tergite IX with or without drepanae............................. 10
10. Ocellar setae I absent; male tergite IX with drepanae............................................... .. malayensis *
-. Ocellar setae I present; male tergite IX with or without drepanae............................................... 11
11. Metanotum transversely striate at anterior, longitudinally striate medially; pronotal postero marginal seta II twice as long as seta I; male tergite IX without drepanae.............................................................. lami sp. nov.
-. Metanotum reticulate; pronotal postero marginal seta II at least 2.5 times as long as seta I; male tergite IX with drepanae.. 12
12. Ocellar setae III placed between the hind ocelli towards the posterior margin of hind ocelli; pronotal postero marginal seta II 3.5–4 times longer than seta I; fore wing second vein with one seta; tergites VIII and IX with microtrichia medially.................................................................................................... bispinosus
-. Ocellar setae III placed anterior to hind ocelli, just at the line of anterior margin of hind ocelli; pronotal postero marginal seta II 2.5–3 times longer than seta I; fore wing second vein with 3 setae; tergites VIII and IX without median microtrichia................................................................................................ kenyensis *
description: Published as part of Rachana, R. R., Amarendra, B. & Sushil, S. N., 2024, A new species and a new record of the genus Scirtothrips (Thysanoptera, Thripidae) from India, pp. 424-430 in Zootaxa 5537 (3) on page 425, DOI: 10.11646/zootaxa.5537.3.8, http://zenodo.org/record/14240117