Notes on Micaria alpina
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A Further Record of Micaria alpina L. Koch from Scotland by D. Horsfield
From The Newsletter No. 47 December 1986
I reported the first find of Micaria alpina (Gnaphosidae)
from Scotland in Newsletter 45. Subsequently, I have
discovered three further males of this species in material
from a pitfall trap and water bowls from An Teallach, a
mountain in Ross & Cromarty. The traps were in
operation between 7th May and 17th June 1984 on Glas
Mheall Liath, a spur of An Teallach, on a south-facing and
moderately steep slope and at an altitude of 890m (Nat.
Grid Ref. NH 073840). The vegetation there is a mixture
of Mat-grass (Nardus stricta) and woolly-fringe moss
(Racomitrium lanuginosum). An Teallach is about 100 km
north and 35 km west of Creag Meagaidh in Invernessshire
where I first trapped M. alpina.
Added by John Partridge at 20:06 on Tue 10th Jan 2012.
Micaria alpina L. Koch: the first Scottish record by D. Horsfield
From The Newsletter No. 45 March 1986
The only previous British records for this rare gnaphosid
are from two Welsh mountains. In 1983 I captured 13
males and 3 females of this spider on the south-facing
slopes of An Cearcallach, Creag Meagaidh, Invernessshire.
The specimens were taken in pitfall traps and waterbowls,
which were set up on 16th May, emptied and re-set
on 18th June, and finally emptied on 10th July. One male
was taken between 16th May and 18th June, while the
remainder of the specimens were taken between 18th
June and 10th July. The habitats and localities were as
follows: 7 specimens in bilberry (Vaccinium myrtillus)
heath and scree (Nat. Grid Ref. NN 422849, altitude
760m); 1 specimen in tufted hair-grass (Deschampsia
caespitosa) grassland (Nat. Grid Ref. NN 416851, altitude
790m); 8 specimens in woolly-fringe moss (Racomitrium
lanuginosum) heath and scree (Nat Grid Ref. NN
419852, altitude 885m). The females are the first known
to have been taken in Britain (Dr Peter Merrett, pers.
Added by John Partridge at 20:04 on Tue 10th Jan 2012. Return to Summary for Micaria alpina