Systena silvestrii Bechyne (Coleoptera: chrysomelidae):: Redescription, New distribution and adult host records

被引：1

作者：

Cabrera, Nora ^{[1
]}

Sosa, Alejandro ^{[2
]}

Dorado, Jimena ^{[2
]}

机构：

[1] Museo La Plata, Div Entomol, RA-1900 La Plata, Argentina

[2] USDA ARS, S Amer Biol Control Lab, Buenos Aires, DF, Argentina

来源：

TRANSACTIONS OF THE AMERICAN ENTOMOLOGICAL SOCIETY | 2007年 / 133卷 / 3-4期

关键词：

alticinae; Alternanthera philuxeroides; Systena silvestrii; biological control; alligatorweed;

D O I：

10.3157/0002-8320-133.3.433

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The flea beetle Systena silvestrii Bechyne 1957 was studied in context with the evaluation of natural enemies of the alligator weed, Alternanthera philoxeroides (Martins) Grisebach (Amaranthaceae). The female is described and the holotype male is redescribed adding new diagnostic characters: mouthparts, hind wings, metendosternite, male and female genitalia. Differences in color patterns between S. silvestrii, S. marcapatensis Bechyne, S. scurra scurra Scherer and S. scurra ajonjoli Bechyne &Bechyne are considered. This flea beetle was collected mostly on alligator weed but also on Phyla canescens (Vebenaceae), in Argentina, Uruguay, Paraguay and Brazil. Therefore, further evaluation is strongly recommended prior to its consideration for biocontrol of A. philoxeroides.

引用

页码：433 / 444

页数：12

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