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- Title
Systematic review of the Australian 'bush coconut' genus Cystococcus (Hemiptera: Eriococcidae) uncovers a new species from Queensland.
- Authors
Semple, Thomas L.; Gullan, Penny J.; Hodgson, Christopher J.; Hardy, Nate B.; Cook, Lyn G.
- Abstract
Australia houses some unusual biota (insects included), much of which is undescribed. Cystococcus Fuller (Hemiptera : Sternorrhyncha : Coccoidea : Eriococcidae) currently comprises two species, both of which induce galls exclusively on bloodwoods (Myrtaceae: Corymbia Hill & Johnson). These insects display sexual dichronism, whereby females give birth first to sons and then to daughters. Wingless first-instar females cling to their winged adult brothers and are carried out of the maternal gall when the males fly to find mates – a behaviour called intersexual phoresy. Here, we use data from two gene regions, as well as morphology and host-use of the insects, to assess the status of a previously undescribed species. We describe this newly recognised species as Cystococcus campanidorsalis, sp. nov. Semple, Cook & Hodgson, redescribe the two existing species – C. echiniformis Fuller and C. pomiformis (Froggatt), designate a lectotype for C. echiniformis, and provide the first descriptions of adult males, and nymphal males and females for the genus. We have also reinterpreted a key morphological character of the adult females. This paper provides a foundation for further work on the genus, which is widespread across northern Australia and could prove to be useful for studies on biogeography and bloodwood ecosystems.
- Subjects
HEMIPTERA; ERIOCOCCIDAE; PHORESY; BIOGEOGRAPHY; GALLS (Botany)
- Publication
Invertebrate Systematics, 2015, Vol 29, Issue 3, p287
- ISSN
1445-5226
- Publication type
Article
- DOI
10.1071/IS14061