Maladera insanabilis

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Maladera insanabilis (click on image to enlarge it)
Author(s): Gal Gubesi
Source: Wikimedia Commons

Maladera insanabilis Brenske, 1894

This species of cockchafer-like beetle is found in Western Asia. It was first recorded from Israel in the 1980s, where it was initially regarded as a new species which was described as "Maladera matrida Argaman, 1986" (in hebrew matrida = מטרידה means 'bothersome'). The distribution records seem to indicate that it spread from the India subcontinent to Iran and neighbouring countries in the 1960s, before reaching Israel.

The larvae (white grubs) attack the roots of crops like potatoes, sweet potatoes and peanuts. They can cause substantial damage, e.g. see Harari et al. (2001). The adults cause less damage and feed on the leaves of various ornamental plants, orchard trees and irrigated crops.

Synonyms:
Maladera matrida