Scirtothrips

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, Zootaxa 3856 (2), pp. 253-266 : 255

publication ID

https://doi.org/ 10.11646/zootaxa.3856.2.6

publication LSID

lsid:zoobank.org:pub:835CC97E-14D1-40AC-A30D-4D6AA159AF6D

DOI

https://doi.org/10.5281/zenodo.5168395

persistent identifier

https://treatment.plazi.org/id/E21B313C-FFCC-0851-FF61-FB1A899C8EB6

treatment provided by

Felipe

scientific name

Scirtothrips
status

 

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 View FIGURES 9–14 , 18 View FIGURES 15–20 ).................................................................................. 2

-. Abdominal sternites II–VI with rows of microtrichia not extending medially but restricted to lateral areas ( Figs 25 View FIGURES 21–26 , 32 View FIGURES 27–32 )..... 4

2. Abdominal sternites II–VI with complete posteromarginal comb of microtrichia ( Fig. 18 View FIGURES 15–20 ); pronotum with shaded longitudinal bands sub-laterally ( Fig 15 View FIGURES 15–20 )................................................................... lantanae View in CoL sp.n.

-. Abdominal sternites II–VI with no posteromarginal comb of microtrichia ( Fig 14 View FIGURES 9–14 ); pronotum never with shaded longitudinal bands sub-laterally ( Figs 5 View FIGURES 5–8 , 9 View FIGURES 9–14 )............................................................................ 3

3. Abdominal tergites III–VII with dark antecostal ridge complete medially ( Fig. 8 View FIGURES 5–8 ), tergites with median shading not extending to discal setae S2 ( Fig. 8 View FIGURES 5–8 ); antennal segment I pale, II variable, III–VIII dark ( Fig. 6 View FIGURES 5–8 ); fore wing pale apically; sternites IV–VI with microtrichia rows absent from anterior half of each segment.......................................... dorsalis View in CoL

-. Abdominal tergites III–VII with dark antecostal ridge interrupted medially, tergites with shading extending broadly across segment ( Fig. 12 View FIGURES 9–14 ); all antennal segments dark ( Fig. 11 View FIGURES 9–14 ); fore wing uniformly dark; sternites IV–VI with microtrichia more extensive, absent only from less than anterior third of each segment ( Fig. 14 View FIGURES 9–14 ).................................. hitam View in CoL sp.n.

4. Metanotum with irregular transverse striae on anterior third, and irregular longitudinal reticulations on posterior ( Fig. 22 View FIGURES 21–26 ); antennal segment IV almost 3.0 times as long as wide, sensorium stout and U-shaped, extending to midpoint of segment V ( Fig. 23 View FIGURES 21–26 ); pronotal posteromarginal setae pm 2 scarcely twice as long as pm 1 ( Fig. 21 View FIGURES 21–26 ); abdominal tergites III–VI shaded medially ( Fig. 24 View FIGURES 21–26 )............................................................................ lixinae View in CoL sp.n.

-. Metanotum with irregular reticulation, no transverse striae anteriorly ( Figs 2 View FIGURES 2–4 , 27, 28 View FIGURES 27–32 ); 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 View FIGURES 2–4 , 29 View FIGURES 27–32 ); pronotal posteromarginal setae pm2 more than 2.5 times as long as setae pm1; abdominal tergites III–VI without shaded marking medially ( Figs 4 View FIGURES 2–4 , 30 View FIGURES 27–32 )................................................................................................. 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 View FIGURES 2–4 )......................................................... dobroskyi View in CoL

-. Fore wing second vein with only one seta; abdominal tergites III–V with S1 wider apart than their length ( Fig. 30 View FIGURES 27–32 ); tergite VIII with microtrichia extending mesad of S2 or even mesad of S1( Fig. 31 View FIGURES 27–32 ).............................. malayensis View in CoL sp.n.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Thysanoptera

Family

Thripidae

Genus

Scirtothrips

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