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Extatosoma tiaratum, commonly known as the spiny leaf insect, the giant prickly stick insect, [2] Macleay's spectre, [3] or the Australian walking stick, is a large species of Australian stick insect. [4] [5] The species has the Phasmid Study Group number PSG9. [6]
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
Eurycantha calcarata typically reproduce through sexual reproduction and produce eggs that hatch 4.5-6.5 months later. When no males are present in the population, this stick insect exhibits parthenogenesis instead. Eggs are typically 8.2 mm in length and 4 mm wide, with a somewhat cylindrical shape.
Both adults and nymphs of the spiny shieldbugs are predatory, feeding on the larvae of other insects, especially on leaf bugs, beetles, aphids and caterpillars. The choice of the prey depend on the season and availability of food. However both adults and nymphs also suck sap from plants. The female lays eggs on tree trunks and leaves.
They can be generally referred to as phasmatodeans, phasmids, or ghost insects, with phasmids in the family Phylliidae called leaf insects, leaf-bugs, walking leaves, or bug leaves. The group's name is derived from the Ancient Greek φάσμα phasma , meaning an apparition or phantom , referring to their resemblance to vegetation while in fact ...
About four to five months after hatching the caterpillar will have reached its final instar and will begin to feed on both sides of the leaf and leaf tissue to ready itself for pupating. Before spinning its cocoon, an individual larva can reach measurements close to 20mm long and 7mm wide.
A female leaf-footed bug, family Coreidae and tribe Acanthocephalini, deposits an egg before flying off. Coreidae is a large family of predominantly sap-sucking insects in the Hemipteran suborder Heteroptera. [1] The name "Coreidae" derives from the genus Coreus, which derives from the Ancient Greek κόρις (kóris) meaning bedbug. [2]
About a year after hatching, the molting to imago takes place, which is the fifth molting in the males and the sixth molting in the females. [14] The imago then live for about 6 to 24 months. [ 8 ] [ 15 ] As with many other phasmid species, Gynander also occasionally occur in Heteropteryx dilatata .