Showing posts with label Mompha raschkiella. Show all posts
Showing posts with label Mompha raschkiella. Show all posts

Friday, 13 August 2010

Dull

This shot should give you an idea of what my weather's been like recently. Notice that the light outside the rainbow is noticeably worse than that inside it. (It brightens up again outside the second rainbow if there is one.)


Some insects were still flying (or landing, in this hoverfly's case):
Harvestmen are related to spiders, but they don't make webs. They tend instead to lie flat on leaves or flowers with a single leg hanging out as a trigger to alert them that prey is approaching. It seems that the Philaenus spumarius leafhopper isn't what the harvestman was looking for.
Leaf miners are easy to spot: they're completely static and the weather doesn't affect them. I saw this mine on Raspberry and immediately knew that the miner was a sawfly: sawfly larvae have a typical 'round-shouldered' appearance and embryonic legs. Turns out it's Metallus albipes, and is new to me.
Notice that most of the frass is neatly packed into the disused part of the mine. The higher insects like wasps, bees and sawflies show a high degree of domesticity.

Virtually every stand of Rosebay Willowherb has a few mines of the micromoth Mompha raschkiella:
Notice that the mine never strays far from the midrib for long: a good strategy on such a narrow leaf.

An interesting shot of an Agromyza nana mine on Clover: the larva has mined another leaflet and then entered this one via the petiole.

A nice shot of two Ichneumonids:

Thursday, 31 July 2008

More from the filming

I recently showed the nymph of Cicadella viridis. Here's the glorious adult:

This is the much more frequently-seen Frog-hopper, Philaneus spumarius:


And I've yet to get a completely satisfying shot of the Leafhopper Evacanthus interruptus:


The leaf-mining micromoth Mompha raschkiella appears to have been to school and learned how to keep the writing on the line:

These mines can overlap and are difficult to decipher, but I think we have 3 mines here, one of which is still occupied (you can see the 3mm yellow larva in the centre of the shot). These only mine Rosebay Willowherb.