Tuesday, July 7, 2026

Grasses, Caterpillars and Flies.

While at the Kingussie allotments, I spotted a grass in a waste area that was not familiar to me. It reminded me a bit of barley with the long awns (stiff hairs) sticking out.

Mystery grass

 I took a sample home to see if I could identify it.  It looked as if it was either Barren Brome (Anisantha sterilis) or Great Brome (Anisantha diandrus) but I had never seen either species and I could not tell which it was. I tried taking some measurements  - but as usual, if there are 2 options e.g., 70mm or 60mm, to distinguish between the 2 species, my measurement was 65mm! It was quite important to get the correct species as there were no records of either grass locally, so in the end I posted a sample off to a referee - nothing to do with football - but an expert in a particular area of botany. In this case, it was a man called Michael Wilcox who identified it as Great Brome.

Great Brome

I was quite pleased to find it was the  first time it had been recorded in Cairngorm National Park. (It doesn't take much to excite a botanist!)

Map showing distribution of Great Brome (Arrow points to my record) (BSBI map)

A few days later, I was parked near Inverness airport, waiting to collect a friend.  Rather than wait at the airport, I went to the car park at the new Railway station which boasted car parking for 64 cars.  Not a parking space to be had - cars parked everywhere, along the verges etc.  Pretty obvious that most were probably not using the train but going away and avoiding  expensive airport parking. After parking a bit further away I checked out the plants on a grassy slope whilst waiting.  And what did I find but another Brome grass, a different species that was also new to me! Strange how these things happen - find one and then you find  something similar once you have "got your eye in". This one was Soft Brome (Bromus hordeaceus).

Soft Brome
Back at Kingussie Allotments, there are a lot of nettles on the path from the car park. I have patches of nettles in my garden as you read that they are good for caterpillars. But I never see a caterpillar on my nettles.  But there were plenty on the Kingussie nettles! Black caterpillars with white dots and spikes.

They turned out to be the caterpillars of the Peacock butterfly (Aglais io).

Back in my garden, my perennial cornflower was attracting some insects. I was not surprised to see a bee on the open flowers, but I was surprised to see clusters of greenbottle flies on the dead flowerheads, on the part under the flower head. I could see that they were using their mouthparts on the surfaces so presumably there is something tasty there.

And finally, a view of the pond showing a water lily bud and a small white flower of the Water Soldiers (the spiky plants sticking out of the water). The other leaves are Iris  and Bogbean.

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