The Thrips of Brazil
Identification, Information, News

Scirtidothrips torquatus

Scirtidothrips torquatus Hood, 1954: 207.

Original reference: Hood JD (1954) Brasilian Thysanoptera V. Proceedings of the Biological Society of Washington 67: 195–214.

 

Family

Thripidae, Thripinae

 

Nomenclatural information

http://thrips.info/wiki/Scirtidothrips_torquatus

 

Diagnosis

Body colour yellow to yellowish brown; antennal segments II–VIII brown; fore wings weakly shaded. Head with many lines of sculpture and three pairs of ocellar setae. Antennae 8-segmented, III & IV with forked sense cones. Pronotum rectangular, transversely striate and with one pair of long posteroangular setae and tree pairs of posteromarginals. Mesothoracic endofurca with spinula well developed but absent on metathorax. Metanotum with irregular reticulation posteromedially; paired campaniform sensilla absent; two pairs of setae, median pair arising behind anterior margin. Tarsi 2-segmented. Fore wing with first setal row interrupted but second row complete. Abdominal tergites with median setae long and close together; tergite VIII with a complete comb of microtrichia. Sternites without discal microtrichial rows or discal setae. Both sexes fully winged.

 

Male without pore plates on sternites.

 

Intraspecific variation

Not recorded.

 

Genus and similar species information

The Neotropical genus Scirtidothrips is comprised only by this species, which is very similar to Scirtothrips members, except that the abdominal tergites and sternites do not bear discal microtrichial rows.

 

World distribution

Described from Brazil, it is also recorded from Costa Rica.

 

Distribution in Brazil

http://fauna.jbrj.gov.br/fauna/faunadobrasil/82499 

 

Life history

Possibly breeding on leaves of unrelated plants.

 

Economic importance

Not recorded.

 

References suggested

Mound LA & Marullo R (1996) The Thrips of Central and South America: An Introduction. Memoirs on Entomology, International 6: 1–488.


Published in: 31/12/2016
Posted by: Mariana Lindner

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Brasil, Rio Grande do Sul, Rio Grande

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