Processionary caterpillars in Cala Galdana

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ciaran
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Re: Processionary caterpillars in Cala Galdana

Post by ciaran » March 8th, 2017, 6:22 pm

There seem to be a few birds that eat them, is there a lot of these birds in Menorca Dave,

Natural controls
File:Mantis religiosa eating Thaumetopoea pityocampa.webm
Mantis religiosa eating Thaumetopoea pityocampa larvae in the Pyrenees.
The pine processionary is an economic pest in coniferous forests in southern Europe. It is controlled to some extent by predators, parasites and viruses which attack the moth at different stages of its life-cycle:[12]
Eggs are eaten by the orthopteran Ephippiger ephippiger.[12]
Larvae are eaten by birds such as great tit [As in Small bird] (Parus major) and great spotted cuckoo (Clamator glandarius).[12]
Larvae are parasitised by solitary wasps (Ichneumonidae, Braconidae) and some species of horse-fly (Tachinidae).[12]
Pupae are eaten by hoopoes (Upupa epops).[12]
Adults are eaten by bats.[12]
Larvae may be infected by the processionary moth virus Smithiavirus pityocampae.[12]
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davethebirder
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Re: Processionary caterpillars in Cala Galdana

Post by davethebirder » March 8th, 2017, 7:12 pm

Ciaran,

"Mantis religiosa" is a Praying Mantis (haven't seen one in Menorca)
"Ephippiger ephippiger" is a Bush Cricket
"Great tit [As in Small bird]" and "Hoopoe" are found all over the island. But not necessarily abundant enough to control the "Processionary caterpillars" population.
"Great Spotted Cuckoo" - I don't believe have hit Menorca, but are found on the Spanish mainland.
I think the others are self-explanatory.
Maybe the virus "Smithiavirus pityocampae" may be the only answer, but they knew that 50 years ago and not a lot has changed!

Dave

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Re: Processionary caterpillars in Cala Galdana

Post by semh » March 8th, 2017, 7:29 pm

Unfortunately, my partner is very sensitive to these little blighters and comes our in red blotches all over :shock: they are best avoided as they will shed their hairs if disturbed. Dogs are particularly vulnerable as they will investigate with their nose and end up losing their tongue/nose or even their life!!

If we find nests in the trees we cut them out and burn them in an incinerator (a barbecue works well), but you must do this before the caterpillars are ready to emerge. I.e. Before Christmas.

One good point is that our resident great tits [As in small birds] love them and will devour them! Just need more great tits [As in small birds]!!

Semh

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Re: Processionary caterpillars in Cala Galdana

Post by Slartibartfast » March 8th, 2017, 8:30 pm

Is this a Praying Mantis?? If so then it was taken on Menorca and I'm sure we saw one way back in the 80's well before digi cameras.
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Re: Processionary caterpillars in Cala Galdana

Post by davethebirder » March 8th, 2017, 8:55 pm

Think you are right - it's just I haven't seen one on Menorca. Maybe I should stop looking at the birds and take notice what else is about! :smile: :smile:

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Re: Processionary caterpillars in Cala Galdana

Post by ciaran » March 8th, 2017, 9:17 pm

Any pictures of the grate tilts,not the bird, :grin: sorry spelling mistake due to admin rights, :lol:
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Re: Processionary caterpillars in Cala Galdana

Post by davethebirder » March 8th, 2017, 9:28 pm

See Avatar - Best I could do - sorted :cool:

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Re: Processionary caterpillars in Cala Galdana

Post by Slartibartfast » March 9th, 2017, 12:28 pm

:lol: :lol: :lol: :lol: The word censor was made for you Caravan :lol: :lol: :lol: :lol:
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Re: Processionary caterpillars in Cala Galdana

Post by trevx » March 9th, 2017, 12:59 pm

Have definitely seen praying mantis in bro-in-law's veg garden in CnP- they seemed to favour hiding in amongst the bean and strawberry plants!

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