The Thrips of Brazil
Identification, Information, News

Corynothrips stenopterus

Corynothrips stenopterus Williams, 1913: 210.

Original reference: Williams CB (1913) On two new species of Thysanoptera from the West Indies. Journal of Economic Biology 8: 209–215.

 

Family

Thripidae, Thripinae

 

Nomenclatural information

http://thrips.info/wiki/Corynothrips_stenopterus

 

Diagnosis

Body extensively yellow; head, pronotum and abdominal segments VIII–X brown, III–VII with brown markings medially; legs clear yellow; antennal segments I–II brown, III shaded; IV–VII extensively yellow; fore wings pale with brown area medially. Head strongly produced in front of eyes, with two pairs of ocellar setae; ocellar setae III exceptionally long and fringed at apex. Antennae 9-segmented, III & IV with long, forked sense cones. Pronotum without reticulation; two pairs of long and fringed posteroangular setae; anteroangular setae also long and fringed. Meso and metathoracic spinula well developed. Metanotum with polygonal reticulation; campaniform sensilla absent; median setal pair small and arising far behind anterior margin. Fore wing first vein with incomplete setal row, second vein with no setae. Abdominal tergites I–VIII lateral thirds with many transverse lines of sculpture bearing microtrichia; II–VI with a pair of short and wide apart median setae. Sternites without discal setae, with three pairs of long marginal setae, median pair in front of posterior margin.

 

Male not studied.

 

Intraspecific variation

Antennae sometimes 8-segmented.

 

Genus and similar species information

This genus comprises three species, all of them described from the Neotropics and possibly related to Coremothrips and Rhabdothrips (Mound & Marullo 1996). The species of this genus have 9-segmented antennae and the ocellar setae III on head and pronotum are exceptionally long and fringed at apex. The other species recorded from Brazil, C. flavus, can be distinguished from C. stenopterus by yellow body and antennae.

 

World distribution

Described from Central America, it is also known from Brazil, Guyana and Surinam.

 

Distribution in Brazil

http://fauna.jbrj.gov.br/fauna/faunadobrasil/67449 

 

Life history

Breeding on leaves, particularly on cassava (Manihot esculenta).

 

Economic importance

Referred damaging cassava leaves.

 

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: 27/12/2016
Posted by: Mariana Lindner

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