Mid-April

Last time I said I would write a separate entry about spiders, but I realise that I have already covered two of the three recent interesting finds. The third may be Philodromus emarginatus which would be an excellent record for the west coast of Scotland. However, it was immature when captured and so I have been rearing it. It has moulted once but is still not mature enough for a definitive i.d.

Philodromus emarginatus maybe

Some shore-work with two grandsons led to two useful fish records, Eelpout (Zoarces viviparus) which is unusual in producing live young, and Shore Rockling (Gaidropsarus mediterraneus). Both, but particularly the latter, are very useful additions to the local marine list.

Whilst on the shore we found a number of small flatworms that are probably Procerodes littoralis, which according to MARLIN: “Unlike similar species….moves like a leech when disturbed, rather than moving smoothly”. I actually thought they were leeches initially, but that didn’t seem likely in a salty pool at the top of the shore.

Procerodes littoralis Probably

Some interesting micromoth larvae have turned up – probable Eupoecilia angustana f. fasciella (Marbled Conch) swept off heather (Calluna vulgaris) and almost definitely Stictea mygindiana (Cowberry Marble) mines and larvae on Bearberry (Arctostaphylos uva-ursi). The former has very few records locally; the latter is new to the vice-county. I am trying to rear adults from both.

This springtail may be Tomocerus sp. and this water cricket is Velia caprai:

Velia caprai is quite common on Skye & Raasay but the other species known in the Highlands, Velia saulii, has no records on NBN for this area. This picture from Bernard Nau’s draft Keys to Aquatic & Semi-aquatic Heteroptera shows how to tell them apart easily enough.

Thanks are due to Nigel Richards, Seth Gibson and Stephen Morean for help with identifications.

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