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Trunk Boring Grub? http://weetrees.co.uk/phpBB3/viewtopic.php?f=5&t=19383 |
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Author: | 1ggy [ 10 Aug 2024, 10:51 ] |
Post subject: | Trunk Boring Grub? |
Hello, Noticed a shed skin hanging out of a hole in me Beech bonsai. Stuck a wire in the hole and it goes up about 10cm. What is it and what to do? Has he gone now? Do I plug up the hole? Any advice please guys? |
Author: | daryl [ 13 Aug 2024, 17:33 ] |
Post subject: | Re: Trunk Boring Grub? |
It’s hard to answer but my guess would be that if you saw a shed skin that could be the case of the pupa and the creature has now emerged and flown away. Can you post any photos? Use imgbb - it’s the easiest way. How big is the hole? Eggs are generally laid via a tiny hole and the creature comes out via a bigger one. |
Author: | 1ggy [ 13 Aug 2024, 20:56 ] |
Post subject: | Re: Trunk Boring Grub? |
Attachment: 331D5F1D-D827-4FC8-8420-7D429D09CABB.jpeg Attachment: 44E07B41-C9E7-4020-85E3-C862D5CA479F.jpeg Hello Daryl, Many thanks for reply. Photos attached. |
Author: | daryl [ 13 Aug 2024, 21:16 ] |
Post subject: | Re: Trunk Boring Grub? |
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Author: | daryl [ 13 Aug 2024, 21:17 ] |
Post subject: | Re: Trunk Boring Grub? |
Gosh! That looks big! Have you tried doing an image search on the larva case? |
Author: | Paul B [Swindon] [ 13 Aug 2024, 22:56 ] |
Post subject: | Re: Trunk Boring Grub? |
Good old google says it's a 'Goat Moth', Quote........... The Goat Moth Caterpillar is one of our largest and impressive species. They use a wide variety of habitats and foodplants such as alder, ash, birches and willows. The eggs are laid on a tree and the larvae burrow into the main trunk or branches. The Caterpillar can take 3 to 4 years to complete its growth living under the bark feeding on living wood. When fully fed it may spin a cocoon or leave the tree to look for a pupation site, either in rotten wood or underground. It overwinters for the final time in a strong cocoon before becoming an adult moth the following spring. |
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