Shearman’s Wath next to West Ashby Pits.  North of Horncastle

A private site with access courtesy of Mike Harrison.

Afternoon and evening moth/bat session.

12.00 for 13.00 start and then again from 21.00 for evening session. Meet and park on wide roadside verge at TF252719 (just east of River Bain bridge) which is located on minor road which joins the A158 and A153 north of Horncastle. Nearest postcode: LN9 5PP (which takes you slightly NE of meeting spot).

NB. Some steep slopes and deep water areas.  No mains available for moth traps. Nearest public toilets are in Horncastle town centre.

Habitats: Lakes, ponds, marsh, grassland, scrub

Leader: Brian Hedley 07989 665794

Summary of Meeting
LNU field meeting led by Brian Hedley to this private wetland and meadow site courtesy of Mike and John Harrison.
Attended by 22 people on a very hot and sunny afternoon followed by evening moth and bat recording session. Some collecting of meadow and marsh plants for the LoveLincsPlants herbarium project was also undertaken.
About 140 plant species were noted including Common Sedge, Brown Sedge, Spiked Sedge, Yellow Oat-grass, Field Mouse-ear, Pyramidal, Common Spotted and Southern Marsh Orchids, Creeping Jenny, Marsh Cudweed, Tormentil and Lady’s Bedstraw and masses of Yellowrattle. Bird-wise, a good range of wetland species were present including Avocet, Oystercatcher, Snipe, Lapwing, Common Tern, Shelduck, Green Sandpiper and Reed Bunting. Others included Kestrel, Swift, Grey Partridge, Willow Warbler and Bullfinch.
Mammals included Common and Soprano Pipistrelles, Daubenton’s Bat, Brown Hare and signs of Water Vole.
Dragonflies/damselflies were out in force with twelve species on the wing including Emerald Damselfly, Brown Hawker, Emperor, Black-tailed Skimmer and Ruddy Darter. Nine butterfly species included Red Admiral, Small Copper, Brown Argus and Ringlet. Over 50 moth species were noted during the afternoon and evening trapping session (1 MV lamp and 2 actinic lamps) including Barred Yellow, Chimney Sweeper, Narrow-bordered Five-spot Burnet, Common and Light Emeralds, Plain Golden-Y, Ghost Swift, Brown and Small China-marks, Ingrailed Clay, Udea olivalis, Clay, Pale-shouldered Brocade and Anania perlucidalis.
Other insects included Blue Sheildbug, the beetles Chalaenius nigricornis (possible first for North Lincs) and Chaetarthria simillima (possible 4th record for Lincs), the weevils Datonychus melanostictus, Amalorrhynchus melanarius, Phloeotribus rhododactylus and Drupenatus nasturtii (all with less than 10 records for Lincs) and the wasps Oxybelus uniglumis and Crabro cribrarius. Additionally, a gall on willow was identified as being created by the sawfly Pontania proxima.