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First-instar morphology and sexual dimorphism in the gall-inducing scale insect Apiomorpha Rubsaamen (Hemiptera: Coccoidea: Eriococcidae)

Cook, Lynette; Gullan, Penny J; Stewart, A

Description

Sexual dimorphism among crawlers of the scale insect family Eriococcidae is reported for the first time. The general morphology of crawlers of the gall-inducing genus Apiomorpha (Eriococcidae) is presented and sexual dimorphism described. Sexual dimorphism appears to be associated with differential dispersal and settling-site preference of the sexes during the crawler stage. First-instar males of the A. pharetrata and A. munita species-groups settle only on the galls induced by their mothers...[Show more]

dc.contributor.authorCook, Lynette
dc.contributor.authorGullan, Penny J
dc.contributor.authorStewart, A
dc.date.accessioned2015-12-13T23:21:46Z
dc.identifier.issn0022-2933
dc.identifier.urihttp://hdl.handle.net/1885/91141
dc.description.abstractSexual dimorphism among crawlers of the scale insect family Eriococcidae is reported for the first time. The general morphology of crawlers of the gall-inducing genus Apiomorpha (Eriococcidae) is presented and sexual dimorphism described. Sexual dimorphism appears to be associated with differential dispersal and settling-site preference of the sexes during the crawler stage. First-instar males of the A. pharetrata and A. munita species-groups settle only on the galls induced by their mothers or, in the case of A. munita, also galls of nearby females, whereas female crawlers disperse. Female crawlers of all species of Apiomorpha, and male crawlers of most species, are well suited for airborne dispersal. It is suggested that sexual dimorphism among crawlers of Apiomorpha, and some other scale insects, is the result of loss or reduction of those morphological features associated with dispersal. In addition, male crawlers of some species of Apiomorpha have sensory structures which may assist in the detection of sex-specific settling sites.
dc.publisherTaylor & Francis Group
dc.sourceJournal of Natural History
dc.subjectKeywords: insect; morphology; sexual dimorphism; Eriococcidae; Hemiptera Apiomorpha; Coccoidea; Eriococcidae; Insect galls; Scale insects; Sexual dimorphism
dc.titleFirst-instar morphology and sexual dimorphism in the gall-inducing scale insect Apiomorpha Rubsaamen (Hemiptera: Coccoidea: Eriococcidae)
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume34
dc.date.issued2000
local.identifier.absfor060301 - Animal Systematics and Taxonomy
local.identifier.ariespublicationMigratedxPub21789
local.type.statusPublished Version
local.contributor.affiliationCook, Lynette, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationGullan, Penny J, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationStewart, A, College of Medicine, Biology and Environment, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage879
local.bibliographicCitation.lastpage894
dc.date.updated2015-12-12T09:08:27Z
local.identifier.scopusID2-s2.0-0033863061
CollectionsANU Research Publications

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