Grouvellinus acutus, Bian & Jäch, 2018

Bian, Dongju & Jäch, Manfred A., 2018, Revision of the Chinese species of the genus Grouvellinus Champion, 1923 (Coleoptera: Elmidae). The G. acutus species group, Zootaxa 4387 (1), pp. 174-182 : 175

publication ID

https://doi.org/ 10.11646/zootaxa.4387.1.8

publication LSID

lsid:zoobank.org:pub:41CE1EAA-8871-4091-B281-366EF0B38971

DOI

https://doi.org/10.5281/zenodo.5980598

persistent identifier

https://treatment.plazi.org/id/03BD87A8-603E-FFAA-FF27-C398E871FD8B

treatment provided by

Plazi

scientific name

Grouvellinus acutus
status

 

Grouvellinus acutus species group

Members. Grouvellinus acutus sp. nov., G. denticulatus sp. nov., G. fujianensis sp. nov.

Diagnosis. The Grouvellinus acutus species group is characterized by the following features: 1) ovoid, small (BL less than 2.0 mm); 2) elytra with yellowish-brown or dark reddish markings of variable size; 3) pronotum pubescent and partly densely granulate (at least along midline in basal half), without prominent median carina, and without prescutellary pair of carinae; 4) intervals 3, 5, 7, 8 carinate, each carina with a row of granules, carina of interval 3 present only on basal 1/3, carina of interval 5 reaching middle of declivity, carinae on intervals 7 and 8 almost reaching elytral apex; 5) ventrite I with well developed pair of admedian carinae.

Distribution. China (Fujian, Guangxi, Yunnan), northern Thailand (several undescribed species of the G. acutus group from northern Thailand are deposited in the NMW).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Elmidae

Genus

Grouvellinus

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