Megastigmus, Dalman, 1820

Taylor, Gary S., Hyder, Brittany K. & Davies, Kerrie A., 2019, New species of gall fly (Diptera: Fergusoninidae) from Eucalyptus camaldulensis (Myrtaceae) in southern Australia and its associated parasitoids and inquilines, Zootaxa 4701 (5), pp. 401-416 : 413

Megastigmus sp.

Specimens examined. AUSTRALIA, South Australia: 1 ♂ (ethanol) Mt Barker , 35°05.09’S 138°51.86’E, B. Hyder, 28.ix.2014 , nodular stem gall on E. camaldulensis, Em. 7–8.x.2014; 1 ♂ (dried) same data, except Em. 11– 13.x.2014 ; 2 ♀ (dried) same data, except, Em. 23–24.x.2014 ; 1 ♀ (dried) Mt Barker Laratinga Wetlands , 35°04.33’S 138°53.15’E, B. Hyder, 28.ix.2014 , nodular stem gall on E. camaldulensis, Em. 25.x.2014, DNA extracted (007_ MEG_AD_EC).

Notes on biology. Species of Megastigmus are recorded as phytophagous or parasitic within galls ( Bouček 1988). Two species of Megastigmus were reared from galls of F. lockharti on E. camaldulensis ( Taylor et al. 1996) , and as a primary parasitoid of the pharate pupae of F. turneri ( Davies et al. 2001, Goolsby et al. 2001).