Scirtothrips undetermined
Creators: name: Ng, Y. F.
name: Mound, L. A.
name: Azidah, A. A.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Thysanoptera
Thripidae
Scirtothrips
Scirtothrips undetermined

description: Key to Scirtothrips species from Malaysia
1. Abdominal sternites II–VI with numerous rows of microtrichia extending medially across at least the posterior half of these sternites (Figs 14, 18).................................................................................. 2
-. Abdominal sternites II–VI with rows of microtrichia not extending medially but restricted to lateral areas (Figs 25, 32)..... 4
2. Abdominal sternites II–VI with complete posteromarginal comb of microtrichia (Fig. 18); pronotum with shaded longitudinal bands sub-laterally (Fig 15)................................................................... lantanae sp.n.
-. Abdominal sternites II–VI with no posteromarginal comb of microtrichia (Fig 14); pronotum never with shaded longitudinal bands sub-laterally (Figs 5, 9)............................................................................ 3
3. Abdominal tergites III–VII with dark antecostal ridge complete medially (Fig. 8), tergites with median shading not extending to discal setae S2 (Fig. 8); antennal segment I pale, II variable, III–VIII dark (Fig. 6); fore wing pale apically; sternites IV–VI with microtrichia rows absent from anterior half of each segment.......................................... dorsalis
-. Abdominal tergites III–VII with dark antecostal ridge interrupted medially, tergites with shading extending broadly across segment (Fig. 12); all antennal segments dark (Fig. 11); fore wing uniformly dark; sternites IV–VI with microtrichia more extensive, absent only from less than anterior third of each segment (Fig. 14).................................. hitam sp.n.
4. Metanotum with irregular transverse striae on anterior third, and irregular longitudinal reticulations on posterior (Fig. 22); antennal segment IV almost 3.0 times as long as wide, sensorium stout and U-shaped, extending to midpoint of segment V (Fig. 23); pronotal posteromarginal setae pm 2 scarcely twice as long as pm 1 (Fig. 21); abdominal tergites III–VI shaded medially (Fig. 24)............................................................................ lixinae sp.n.
-. Metanotum with irregular reticulation, no transverse striae anteriorly (Figs 2, 27, 28); antennal segment IV usually less than 2.5 times as long as wide, sensoria slender, not extending beyond basal third of segment V (Figs 3, 29); pronotal posteromarginal setae pm2 more than 2.5 times as long as setae pm1; abdominal tergites III–VI without shaded marking medially (Figs 4, 30)................................................................................................. 5
5. Fore wing second vein with 2 setae; abdominal tergites III–V with S1 closer together than their length; tergite VIII with no microtrichia extending mesad of S2 (Fig. 4)......................................................... dobroskyi
-. Fore wing second vein with only one seta; abdominal tergites III–V with S1 wider apart than their length (Fig. 30); tergite VIII with microtrichia extending mesad of S2 or even mesad of S1(Fig. 31).............................. malayensis sp.n.
description: Published as part of Ng, Y. F., Mound, L. A. & Azidah, A. A., 2014, The genus Scirtothrips (Thysanoptera: Thripidae) in Malaysia, with four new species and comments on Biltothrips, a related genus, pp. 253-266 in Zootaxa 3856 (2) on page 255, DOI: 10.11646/zootaxa.3856.2.6, http://zenodo.org/record/4929897