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Taxonomy and biology of two new species of gall midge (Diptera: Cecidomyiidae) infesting Sarcocornia quinqueflora (Chenopodiaceae) in Australian salt marshes

journal contribution
posted on 2007-07-01, 00:00 authored by Anneke VeenstraAnneke Veenstra, J Milne, P Kolesik
Two new species of gall midge associated with two distinct galls on the succulent creeping shrub Sarcocornia quinqueflora are described from salt marshes in south-eastern Australia. The infestations caused by the new species hinder the growth of S. quinqueflora, the seeds of which are the major food of the critically endangered orange-bellied parrot Neophema chrysogaster. Asphondylia floriformis sp. n. Veenstra-Quah & Kolesik transforms leaf segments into flower-like galls, whereas Asphondylia sarcocorniae sp. n. Veenstra-Quah & Kolesik produces simple swellings on branches. Both galls have fungal mycelium growing in the apoplast of the gall tissue and lining the inner surface of the larval chamber where it is presumably grazed by the larva. Descriptions of the larvae, pupae, males, females and the geographical distribution of the two gall midges in south-eastern Australia are given.

History

Journal

Australian journal of entomology

Volume

46

Issue

3

Pagination

198 - 206

Publisher

Australian Entomological Society

Location

Canberra, A.C.T.

ISSN

1326-6756

eISSN

1440-6055

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2007, The Authors