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      Description of the immatures of Linepithema humile Mayr (Hymenoptera: Formicidae)

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          Abstract

          Linepithema humile Mayr is an ant species originally native to South America that has been spread accidently throughout the globe through international trade. It is a serious urban and crop pest. Despite its economic importance, little is known about the larvae of this species apart from a brief description based on a few specimens. The present investigation is aimed at describing every immature stage of L. humile. Three larval instars were determined through the frequency distribution of the maximum width of head capsules from a sample of 525 larvae. The morphological descriptions were based on 150 eggs, 70 larvae, and 90 pupae examined by light and scanning electron microscopy. Some morphological characteristics reported to be typical of Linepithema Mayr larvae were confirmed - dolichoderoid body shape, presence of dorsal protuberance, sparse simple body hairs, presence of nine pairs of spiracles and dolichoderoid mandibles. We concluded that an earlier published description was based on queen larvae, and that the protuberance is only present in worker larvae. The information provided in this study may aid ant systematics and phylogenetics, as well provide a better understanding of the biology of this species.

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          Most cited references 21

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          Taxonomic revision of the ant genus Linepithema (Hymenoptera: Formicidae)

           A.L. Wild,  A. Wild,  AL Wild (2007)
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            Control of brood male production in the Argentine antIridomyrmex humilis (Mayr)

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              Ant larvae: review and synthesis.

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                bres
                Biological Research
                Biol. Res.
                Sociedad de Biología de Chile (Santiago )
                0716-9760
                2010
                : 43
                : 1
                : 19-30
                Affiliations
                [1 ] Universidade Estadual Paulista Brazil
                [2 ] Universidade Estadual Paulista Brazil
                Article
                S0716-97602010000100004
                10.4067/S0716-97602010000100004

                http://creativecommons.org/licenses/by/4.0/

                Product
                Product Information: SciELO Chile
                Categories
                BIOLOGY

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