Journal
AUSTRALIAN JOURNAL OF ENTOMOLOGY
Volume 46, Issue -, Pages 198-206Publisher
WILEY
DOI: 10.1111/j.1440-6055.2007.00603.x
Keywords
Asphondylia; gall histology; insect taxonomy; Neophema chrysogaster; Ormyromorpha trifasciata; Sarcocornia quinqueflora
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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.
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