Janetiella frankumi Harris, 2003

on Rosa

gall

rounish or elongate, bright red, swellings of the young branches; initially smooth, later irregularly fissured. They contain a number of irregular cavities, each with an orange-yellow larva. Later in summer the galls rupture, releasing the larvae for pupation in the soil.

host plants

Rosaceae, narrowly monophagous

Rosa spinosissima.

references

Chinery (2011a), Gagné (2010a), Harris (2004a), Redfern & Shirley (2011a), Skuhravá, Skuhravý & Buhr (2013a).