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Wednesday, 31 May 2017

A new butterfly and a good moth

Having worked out where to see the Duke of Burgundy butterflies I made the effort yesterday despite rather unpromising weather: although short-sleeved shirt weather there was a breeze and the cloud did offer slight drizzle on occasions.  On arriving at Hawnby Hill had close views of Red Grouse including a number of small chicks.  Overhead were three raptors, one a third larger than the other two which were buzzards; the bowed wing shape, white head with brown eye-stripe and very pale underparts all pointed to Osprey - what on earth was it doing there!

A walk along the north-western flank provided a very small number of butterflies, Red Admirals, Small Heath, Wall Brown and Small Copper, and then at last a Duke of Burgundy.  I managed a handful of shots of the Duke despite the breeze and poor light keeping the shutter speeds slow.



In addition I had at least three Mother Shipton moths which were my first in Yorkshire and only seen previously in Dorset, a few evasive crambid moths the one of which potted was lathionellus, several Brown Silver-lines and an interesting large pale Carpet which was just too quick but was probably a well-marked Silver-ground Carpet.

The other highlight (?) was me losing my footing and staggering at gathering speed hurtling down a steep slope before crashing to the ground.  I am sure if caught on camera it would have been worth seeing again but just brings it home how vulnerable us old codgers can be especially somewhere off the beaten track and alone.

Monday, 29 May 2017

Hood Hill, Kilburn, VC62, night of 26 May

Things starting to pick up a bit and a good night at Kilburn with 397 moths of 61 species.  By far the most numerous was Common Lutestring with 130, and there were an interesting selection of scarce micros including Denisia similella, Ancylis mitterbacheriana, Epinotia rubiginosana and Eucosmomorpha albersana each of which with very few VC62 records.
Denisia similella

Carpatolechia proximella

Capua vulgana

Ancylis mitterbacheriana
Epinotia rubiginosana

Eucosmomorpha albersana

Grey Pine Carpet

Foxglove Pug

Welsh Wave

Grey Birch

A rather belated catch-up...

Night of 8th April, Pilmoor, VC62 - 83 of 23 species:  the highlights being a Phyllonorycter sp, probably ulmifoliella, and the earliest Yorkshire record of Scarce Prominent.
Scalloped Hook-tip

Double-striped Pug

Scarce Prominent

Red Swordgrass

Red Swordgrass


Night of 6th May, Pilmoor, VC62 – 13 of five species, a shortened night due to being rather cool and non-productive.
Lunar Marbled Brown

Night of 12th May, Hag Wood, Kilburn, VC62 – 107 of 39 species, the highlights included the spectacular micromoth Ethmia quadrillella.
Zelleria hepariella

Ethmia quadrillella

Ethmia quadrillella

Acleris hastiana

Brindled Pug

Sunday, 18 September 2016

Copper Underwings

That time of the year again and I have had a small number of Copper Underwings sp.  I am aware of many of the stated differences between Copper Underwing and Svensson's Copper Underwing but am also aware that some of these features are not reliable and Les Hill is studying the species pair in some detail.  Having found one in the house dead which was the well-marked one from Brimham a couple of weeks ago, and escaped while photographing it in the hall at home, I spent some time checking over the individual.


The main features to check are as follows:

1/  Check the palps to see if pale (CU) or dark with distinct pale tips (SCU)

2/  The extent of the copper on the underside of the hind wing - restricted to terminal band (CU) or extending up towards the base (SCU)

3/  General colouration and contrast - very contrasting (CU), or not so (SCU) indeed Svensson's has been known as 'drab' Copper Underwing

4/  The two major points on the crossband - draw a line joining the two and extend to the outerwing - if directed towards the back of the wing (CU) and if slightly forward towards the base (SCU)

5/  The black and white markings on the sides of the abdomen - contrasting and well-marked in CU, less so in SCU


Of course some of these features are subjective and open to interpretation, others appear more clear-cut.  When applying these checks to this individual it throws up some interesting points.

1/  The palps.  In this individual they are clearly dark with pale tips indicating Svensson's.

2/  The extent of the copper on the underside of the hind-wing - limited, indicating Copper Underwing. (In the photo there is some shadow and a faint suggestion of darker copper extending towards the base but in reality and good light this is not so).

3/  General colouration - strikingly contrasting, suggesting Copper Underwing.

4/  The two point tips. joined by line and extended to wing edge - backwards suggests Copper and forwards Svensson's. On this one forwards indicating Svensson's.
 
5/  Abdomen markings - contrasting black and white suggesting Copper Underwing.


All in all, five features, three suggesting Copper Underwing and two suggesting Svensson's Copper Underwing.  I know many observers use the palps as the main (only?) feature to distinguish the two, but this one individual shows that it is not as straight forward as one would think.  I think this one is going to have to have its bits done to confirm, something I have done very little of but really should on this occasion, especially as it is already dead.  Watch this space....

Saturday, 10 September 2016

Trapping at Pilmoor, VC62, 8 Sep 2016

There were a handful of lowland northern species that Mike had on his target list and Pilmoor was the chosen site.  Cooler than the previous night and not as productive, but Angle-striped Sallow put in an appearance as hoped.  A total from my two traps of 112 moths of 26 species, Mike's still to be added. The most numerous were 27 Green Carpet, 16 Epinotia ramella, 11 Ypsolopha parenthesella, ten each of Common Marbled Carpet and Canary-shouldered Thorn and nine Large Yellow Underwing. The only possible migrant was a single Diamond-back.  Thee follows a small selection of micro-moths, including a poor record shot taken in the pot of Cydia fagiglandana which is relatively scarce in the County.
Acleris emargana

Acleris rhombana
Cydia fagiglandana

Celypha lacunana
Of the larger moths the following are attractive and includes the scarce Angle-striped Sallow.
Angle-striped Sallow

Canary-shouldered Thorn

Engrailed
One of the micros which always amuses me is the Ypsolopha sequella which when viewed from above gives a very passable impression of Bugs Bunny....
Ypsolopha sequella..a.k.a. .'Bugs Bunny' moth....
Not too bad a night and delivered some more species for Mike's list.

Friday, 9 September 2016

Brimham Rocks, VC64, 7 Sep 2016

Following a long planned visit to the area by Mike Snelling of Worthing who I had first met on a Hungary trip to Farm Lator, it seemed the weather looked best for the night of Wednesday 7th Sep.  As a fellow southerner, the call of northern upland species made Brimham a prime trapping place.  A warm muggy night with the temperature still +17 at 0130, the haul of 285 moths of 35 species was not too bad a total, and provided Mike with a handful of his target species.  The highlights were the very distinctive and scarce Epinotia trigonella which unfortunately avoided being photographed, but a female Anomalous sat well.
Anomalous, female

Autumnal Rustic

Neglected Rustic
Autumn is always brightened by the Sallow family and several put in an appearance as expected at this site.
Middle-barred Sallow (left) and Pink-barred Sallow
The commonest moths were 54 Autumnal Rustic, 51 Flounced Chestnut, 40 Large Yellow Underwing and others of note were 13 Barred Chestnut and 7 Neglected Rustic.

Trapping at Pilmoor, VC62, 28 Aug 2016

What a difference 3 weeks make!  Taking the first opportunity of time off following the excellent previous visit only 22 nights before, this proved to be somewhat of an anticlimax.  I trapped in the same location hoping to repeat some of the success of the previous visit and hopefully to secure some specimens of Anacampsis blattariella and the closely related and rare populella which I was sure I had caught before.  Regretfully neither put in an appearance and numbers and species were well down with just 74 of 24 species.  Besides an Angle-stripe Sallow the best was the first Yellow-barred Brindle of the year.

Yellow-barred Brindle