Description


A diary of my mothing activity covering highlights and photos from my moth trapping activities. Mainly Norfolk (UK), occasionally beyond. I may mention other wildlife sightings here, especially insects, but for birds see my birding diary.

Friday 14 December 2018

Waveney Valley mothing extravaganza

Brian J very kindly invited Dave and me to one of his mothing locations in the Waveney valley and we were treated to an amazing night's mothing on 10th July, with no less than 12 new moths for me!  Having seen over 1100 species of moth in Norfolk getting that many new ones in a single night is quite an achievement nowadays and it goes to show what a great piece of habitat that Brian is lucky enough to monitor.

One of the moths we were particularly targetting was Shaded Fan-foot, a Red Data Book species that in Norfolk is mainly known from the Waveney Valley.  The traps came up trumps and we caught 3 Shaded Fan-foots.


Shaded Fan-foots, Waveney Valley, 10th July


We also saw over 20 V-Moths, a species that is a bit more widespread but one that in recent years is mainly known from SE Norfolk.


V-Moths, Waveney Valley, 10th July


At the other end of the scale two of the macro lifers were probably among the commonest and most well-recorded of Norfolk's macro moths that were previously absent from my list - Spinach and Minor Shoulder-knot.

Spinach, Waveney Valley, 10th July


Minor Shoulder-knot, Waveney Valley, 10th July


One of the biggest surprises for me was finding a Marbled Grass-veneer Catoptria verellus.  I had rememebered that Tim Hodge trapped presumed migrants one night in 2015, the first time this species was recorded in Norfolk, and I knew that Brian had had one in SE Norfolk since, which I had presumed was also a migrant, but I didn't realise he'd since had another in the same area and had concluded that they were likely established in the area now (apparently they're also established in Suffolk now).  We ended up seeing 4 Catoptria verellus which firmly supports that view.

Marbled Grass-veneer Catoptria verellus, Waveney Valley, 10th July


I was very pleased to see the very distinctive Bitter-cress Diamond-back Eidophasia messingiella, a distinctly scarce species across Norfolk but one that Brian catches regularly in this corner of the county.

Bitter-cress Diamond-back Eidophasia messingiella, Waveney Valley, 10th July


Another surprise find was Water-plantain Conch Gynnidomorpha alismana, a species Brian hadn't previously seen at this site.

Water-plantain Conch Gynnidomorpha alismana (male, gen det), Waveney Valley, 10th July


It was good to see Poplar Cosmet Batrachedra praeangusta as this was a species I was pretty sure I'd seen at Weybourne last year but that one flew off before I managed to see it well enough to count it.

Poplar Cosmet Batrachedra praeangusta, Waveney Valley, 10th July


Other new micros were 4 + Angelica Flat-bodies Agonopterix angelicella, Dark-striped Groundling Gelechia sororculella and Willow Marble Apotomis lineana.

Angelica Flat-body Agonopterix angelicella, Waveney Valley, 10th July


Dark-striped Groundling Gelechia sororculella, Waveney Valley, 10th July


Willow Marble Apotomis lineana, Waveney Valley, 10th July


There was one macro that Dave Norgate was particularly hoping to see - a species that has only recently been discovered in the Waveney Valley and wasn't previously known in Norfolk.  The odds of us getting one were never high but we knew there was a chance.  Towards the end of the evening just before we closed down the traps we caught one, a White-mantled Wainscot!  To say Dave was excited would be an understatement...

White-mantled Wainscot, Waveney Valley, 10th July


Not a lifer as I'd seen one at Yarmouth before but a potential Red Data Book speices that we certainly weren't expecting to see as it is mainly coastal was Agate Knot-horn Nyctegretis lineana.

Agate Knot-horn Nyctegretis lineana, Waveney Valley, 10th July


When I determined its ID I thought a Common Case-bearer Coleophora serratella was a lifer, but I subsequently discovered that I had another one that I had caught at home sitting in a pot on my desk awaiting identification, so this one became my eventually second record.

Common Case-bearer  Coleophora serratella (female, gen det), Waveney Valley, 10th July


Some of the other micro highlights from my point of view included Willow Ermine Yponomeuta rorrella, 2 Pistol Case-bearers Coleophora anatipennella, Ruddy Flat-body Agonopterix subpropinquella, 2 Bracken Nebs Monochroa cytisella, Wainscot Neb Monochroa palustrellus, Wood Groundling Parachronistis albiceps, Poplar Sober Anacampsis populella, Small Sober Anarsia spartiella, Brown Oak Tortrix Archips crataegana, White-shouldered Marble Apotomis turbidana, Willow Tortrix Epinotia cruciana, Large Birch Bell Epinotia brunnichana, Sycamore Piercer Pammene aurita, Ochreous Pearl Anania crocealis and 2 Warted Knot-horns Acrobasis repandana.

Willow Ermine Yponomeuta rorrella, Waveney Valley, 10th July


Pistol Case-bearer  Coleophora anatipennella (female, gen det), Waveney Valley, 10th July


Bracken Neb Monochroa cytisella, Waveney Valley, 10th July


Wainscot Neb Monochroa palustrellus, Waveney Valley, 10th July


Poplar Sober Anacampsis populella (female, gen det), Waveney Valley, 10th July


Brown Oak Tortrix Archips crataegana, Waveney Valley, 10th July


White-shouldered Marble Apotomis turbidana, Waveney Valley, 10th July


Willow Tortrix Epinotia cruciana, Waveney Valley, 10th July


Large Birch Bell Epinotia brunnichana, Waveney Valley, 10th July


Warted Knot-horn Acrobasis repandana, Waveney Valley, 10th July


Other noteworthy macros included 2 Balsam Carpets, Pretty Chalk Carpet, 2 Scallop Shells, Sharp-angled Peacock, Dotted Footman, Double Dart, Purple Clay, Suspected and Webb's Wainscot.

Scallop Shell, Waveney Valley, 10th July


Sharp-angled Peacock, Waveney Valley, 10th July


Dotted Footman, Waveney Valley, 10th July


Double Dart, Waveney Valley, 10th July


Suspected, Waveney Valley, 10th July


Webb's Wainscot, Waveney Valley, 10th July


As usual on this sort of occasion the counts shown in the lists are the minimum numbers I could remember seeing - doubtlessly lower than the true number in many cases.  The rest of the micros I noted down were 1+ White-triangle Slender Caloptilia stigmatella, 4 Gold-ribbon Argents Argyresthia brockeella, Golden Argent Argyresthia goedartella, Bird-cherry Ermine Yponomeuta evonymella, Hawthorn Ermine Paraswammerdamia nebulella, White-shouldered Smudge Ypsolopha parenthesella, Pied Smudge Ypsolopha sequella, Diamond-back Plutella xylostella, Tipped Oak Case-bearer Coleophora flavipennella, Apple & Plum Case-bearer Coleophora spinella, Lesser Tawny Tubic Batia lunaris, Golden-brown Tubic Crassa unitella, Cinerous Neb Bryotropha terrella, 2 Gorse Crests Brachmia blandella, Buff Mompha Mompha ochraceella, Bulrush Cosmet Limnaecia phragmitella, Plain Conch Phtheochroa inopiana, 4 Common Yellow Conches Agapeta hamana, Barred Fruit-tree Tortrix Pandemis cerasana, Large Fruit-tree Tortrix Archips podana, 4 Variegated Golden Tortrixes Archips xylosteana, Cyclamen Tortrix Clepsis spectrana, 2 Red-barred Tortrixes Ditula angustiorana, 3 Flax Tortrixes Cnephasia asseclana, 10 Yellow Oak Buttons Aleimma loeflingiana, 2 Green Oak Tortrixes Tortrix viridana, Barred Marble Celypha striana, 10 Common Marbles Celypha lacunana, 2 Marbled Orchard Tortrixes Hedya nubiferana, 3 Sallow Marbles Apotomis capreana, 2 Blotched Marbles Endothenia quadrimaculana, 2 Triangle-marked Rollers Ancylis achatana, Nut-bud Moth Epinotia tenerana, 2 Holly Tortrixes Rhopobota naevana, Cock’s-head Bell Zeiraphera isertana, 2 Common Cloaked Shoots Gypsonoma dealbana, 2 Bramble Shoots Notocelia uddmanniana, Triple-blotched Bell Notocelia trimaculana, Hoary Bell Eucosma cana, Bud Moth Spilonota ocellana, Marbled Piercer Cydia splendana, Bulrush Veneer Calamotropha paludella, 20 Garden Grass-veneers Chrysoteuchia culmella, Meadow Grey Scoparia pyralella, Base-lined Grey Scoparia basistrigalis, Marsh Grey Eudonia pallida, Little Grey Eudonia lacustrata, 4 Small China-marks Cataclysta lemnata, Small Magpie Anania hortulata, 2 Long-winged Pearls Anania lancealis, Dusky Pearl Udea prunalis, Olive Pearl Udea olivalis, 20 Mother of Pearls Pleuroptya ruralis, Double-striped Tabby Hypsopygia glaucinalis, 2 Rosy Tabbies Endotricha flammealis, 2 Bee Moths Aphomia sociella and Dotted Oak Knot-horn Phycita roborella.

Cock's-head Bell Zeiraphera isertana, Waveney Valley, 10th July


The rest of the macros were Ghost Moth, 2 Drinkers, 2 Pebble Hook-tips, Peach Blossom, 2 Buff Arches, 2 Large Emeralds, 2 Small Fan-footed Waves, Riband Wave, Red Twin-spot Carpet, 3 Large Twin-spot Carpets, Common Carpet, 6 Phoenixes, Common Marbled Carpet, Barred Yellow, 4 July Highflyers, Brown Scallop, Dark Umber, Sharp-angled Carpet, Small Rivulet, 2 Currant Pugs, Grey Pug, V-Pug, Dingy Shell, Scorched Carpet, 2 Brimstone Moths, Bordered Beauty, Early Thorn, 2 Scalloped Oaks, 2 Swallow-tailed Moths, Peppered Moth, Mottled Beauty, 2 Engraileds, 2 Common White Waves, 2 Poplar Hawk-moths, 3 Elephant Hawk-moths, 3 Chocolate-tips, Buff-tip, Vapourer, Brown-tail, 2 Yellow-tails, Round-winged Muslin, 2 Dingy Footmen, 2 Scarce Footmen, Common Footman, Garden Tiger, Buff Ermine, Ruby Tiger, Heart and Dart, Flame, Flame Shoulder, Large Yellow Underwing, Lesser Broad-bordered Yellow Underwing, 2 Setaceous Hebrew Characters, 10 Double Square-spots, Green Arches, Nutmeg, Dot Moth, 2 Bright-line Brown-eyes, Campion, 2 Brown-line Bright Eyes, Clay, 4 Smoky Wainscots, Common Wainscot, Poplar Grey, Sycamore, Miller, Grey or Dark Dagger, 2 Dingy Shears, Dun-bar, 4 Dark Arches, Light Arches, Slender Brindle, Double Lobed, 2 Rufous Minors, Tawny Marbled Minor, 2 Common Rustic aggs., Fen Wainscot, 10 Uncertains, 2 Rustics, Mottled Rustic, Silver Y, Spectacle, 3 Beautiful Hook-tips, 2 Snouts, Fan-foot and Small Fan-foot.

Green Arches, Waveney Valley, 10th July


That's a phenomenal 181 species - what a night!  Thank you so much Brian!

Oh, there were a few non-moth things I noted, though I didn't pay too much attention to the non-moths this time.  They included this fine Brown Hawker (we could hardly fail to notice this).  Also the caddisflies Limnephilus flavicornis and Limnephilus lunatus, Forest Bug, Common Red Soldier Beetle Rhagonycha fulva and 2 Lagria hirta.

Brown Hawker, Waveney Valley, 10th July


I can't remember what time I got home after this, but if it wasn't already light then it probably would have been by the time I'd finished photographing the specimens I'd brought home for dissection.  I can't remember specifically what prevented me from going through my own trap with the usual rigour, but suspect it had something to do with having had no sleep after getting up before dawn every single day for months, and quite possibly also had something to do with having run out of pots to keep the interesting specimens in.  Anyway, for the first time this year I neglected to count every moth in my trap but settled for simply recording the species in it, and judging from the rather small list I don't think I can even done that very carefully.  As such there was just one new moth for the garden year list, Pale Straw Pearl Udea lutealis.

Pale Straw Pearl Udea lutealis, North Elmham, 10th July


The others I noted down were Bird-cherry Ermine Yponomeuta evonymella, Large Ivy Tortrix Lozotaenia forsterana, Barred Marble Celypha striana, Garden Grass-veneer Chrysoteuchia culmella, Inlaid Grass-veneer Crambus pascuella, Straw Grass-veneer Agriphila straminella, Common Grass-veneer Agriphila tristella, Pearl Grass-veneer Catoptria pinella, Base-lined Grey Scoparia basistrigalis, Pale Straw Pearl Udea lutealis, Mother of Pearl Pleuroptya ruralis, Rosy Tabby Endotricha flammealis, Common Emerald, Blood-vein, Small Fan-footed Wave, Single-dotted Wave, Riband Wave, Garden Carpet, Common Carpet, Barred Straw, Double-striped Pug, Clouded Border, Early Thorn, Scalloped Oak, Swallow-tailed Moth, Willow Beauty, Mottled Beauty, Poplar Hawk-moth, Yellow-tail, Rosy Footman, Dingy Footman, Scarce Footman, 2 Buff Footmen, Common Footman, Buff Ermine, Heart and Dart, Double Square-spot, Dot Moth, Bright-line Brown-eye, Clay, Smoky Wainscot, Dark Arches, Cloaked Minor, Common Rustic, Uncertain, Nut-tree Tussock and Spectacle.

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