Nymphal case of the Green Grocer Cicada

Nymphal case of the Green Grocer Cicada

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: The nymphal case of a recently emerged adult Green Grocer cicada, Cyclochila australasiae. Cicadas are members of the family Hemiptera. C. australasiae is widely distributed in coastal regions of Australia from South Australia to Southern Queensland. Adult females lay eggs inside the twigs of trees by means of an ovipositor. The eggs hatch to nymphs, that fall to the ground and for the following 6 or 7 years feed underground on the sap of plant roots. Eventually, in early summer, the mature nymph digs its way out of the ground and climbs a nearby vertical surface, such as a tree trunk, or a shrub or a wall. Clasping this substrate, the nymph's exoskeleton splits, allowing the adult insect to emerge. This picture, taken in Warrandyte Victoria in early December, shows the empty case from which the adult insect emerged, clasping the unfurling leaf of a ginger lily, Hedychium sp

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Keywords: australia, biological, biology, cicada, cyclochila australasiae, egg, exoskeleton, green grocer, hemiptera, insect, nymph, victoria, warrandyte, zoological, zoology

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