When you are leading any group obviously you always have question asked and sometimes you can't always answer straight away, either because you do not know or because you're not sure and do not want to give an incorrect answer.
On one of our recent walks around Lytchett Bay we came across an Oak tree that had a good many galls scattered around its canopy, most were Oak Apple Gall but there were a few Oak Marble and Knopper Gall as well. Though many in the group knew what they were none had ever seen the wasp that are responsible, so I've had a search and found a few photographs.
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| Oak Apple Gall Wasp - Biorhiza pallida |
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| Oak Apple Gall found on a variety of Oak species |
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| Knopper Oak Gall Wasp Andricus quercuscalicis |
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| Knopper Oak Gall found on Pendunculated Oak |
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| Oak Marble Gall Wasp Andricus kollar |
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| Oak Marble Gall found on Turkey Oak |
This week whilst at Arne Fran found a flying insect or rather it found her by landing on her arm, I did know by its look it was most probably a sawfly species. It turns out it's a Sawfly, Strongylogaster multifascia that feeds on bracken and ferns.
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| Strongylogaster multifasciata ©Nick Hull |
Also recently whilst on our walk at Martin Down we came across a web tent with caterpillars which I couldn't remember what they were. So a delve into the reference I soon up with the answer they were Small Eggar Eriogaster lanestis.
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| Small Eggar Eriogaster lanestris |
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