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Costelytra zealandica (commonly known as the grass grub) [1] is a species of scarab beetle found in forested areas of greater Wellington. [ 2 ] [ 3 ] It was originally described in 1846 by the British entomologist Adam White as Rhisotrogus zealandicus from a specimen obtained during the Ross expedition . [ 4 ]
Costelytra giveni was first described by B.B. Given in 1952, though he mischaracterized specimens as C. zealandica [1] [2].In 2016, Coca-Abia and Romero-Samper found differences in syntype specimens between White's (1846) C. zealandica and Given's (1952) description, and revised the species name of the latter to C. giveni after Given.
The grubs develop in the earth for three to four years, in colder climates even five years, and grow continually to a size of about 4–5 cm, before they pupate in early autumn and develop into an adult cockchafer in six weeks. [6] The cockchafer overwinters in the earth at depths between 20 and 100 cm. They work their way to the surface only ...
The witchetty grub (also spelled witchety grub or witjuti grub [1]) is a term used in Australia for the large, white, wood-eating larvae of several moths.In particular, it applies to the larvae of the cossid moth Endoxyla leucomochla, which feeds on the roots of the witchetty bush (after which the grubs are named) that is widespread throughout the Northern Territory and also typically found in ...
The grubs hatch by late July. The grub population consists mainly of first instars in early- to mid-August, second instars by early September, and third instars by mid-September to early October. In frost zones, the grubs feed until November, then move deeper into the soil. In frost-free areas, the larva will feed all winter.
The men found dead in two wildfires that ignited in eastern Washington earlier this month have been identified, and the number of homes destroyed has been confirmed at more than 350. Carl Grub, 86 ...
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