Cockchafer or ‘Maybug’ (Latin name – Melolontha melolontha)
Class: Insecta
Order: Coleoptera
Chafer Bug larvae can cause devastating damage to young vegetable
plants. Chafer Grub larvae are white grubs with a brown head, and
distinct pairs of legs at the front end.
The Chafer Grub are 2cm beetles which hatch into flying adults in
mid-May. The adult beetle is a night-flier and often comes crashing into
lighted windows on warm evenings in early summer, making a buzzing
sound. Chafer Grub adults lay eggs in June which turn into more Chafer
Grubs in July to eat roots until October. Then Chafer Grubs dig deeper
into the soil to over winter until May before Chafer Grub surface to
fly, mate and lay eggs. Chafer grubs may feed below ground for 3-4 years
before changing into adult beetles.
Adult chafers eat the leaves and flowers of many plants, but rarely
cause any serious damage in the UK.
The fat, white grubs (reaching 40-45 mm long when full grown) live in
the soil and feed on plant roots, especially lawns, and are occasional
pests in vegetable gardens
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I disagree ,these pests can eat all the roots off the lawn grass turning it yellow with very sparse growth ,which then allows the moss to get a much bigger hold.
I live inscotland anda tthe right time the streets will be covered with the adult beetle for a few nights.
so if you are wondering why your lawn is patchy even after other treaments –look for the grubs
Comment by john dobson — April 25, 2009 @ 1:20 pm
John
Thanks for your message. Interesting to hear that your Scottish streets are full of Maybugs for a few nights.
I accept that they can severely damage lawns – have you any tips on treatment?
TopVeg
Comment by TopVeg — April 25, 2009 @ 1:38 pm