Pond Dipping at Maple Lodge - Surveys by Jane Archer. (August 14, 2015, 03:17:19 AM)
Maple Lodge Discovery Day results of pond dipping 9 Aug 2015
3 x Smooth Newt efts - Triturus vaulgaris Water hog louse - Ascellus aquaticus Diving beetle x2 unidentified Dragonfly larva - probably Migrant Hawkers Lesser Water Boatman - 1 shed its skin – see photos on web site (note colour change from orange to brown) Daphnia species Midge larva - Tanypus 1 frog disturbed at pond edge Rana temporaria Lumbriculus worms Pond olives - Cleon dipterum Cased Caddis fly larva ( probably pupating) photo on web site Diving Beetle larva
1 new species to pond dipping list: Phantom Crane fly larva - ptychoptera contaminate photo on website.
Maple Lodge Open weekend results of pond dipping 9/10 May 2015
9/5/2015 Agabus conspersus diving beetle larvae x 2 Dytiscuss sp Great diving beetle larva x 1 Lesser water boatmen present Corixidae family Water Measurer present Hydrometra sp Pond Skaters present Gerris sp Hawker dragonfly nymphs x 3 – not identified Waterflea - Daphnia Juvenile smooth newt x 1 Triturus vulgaris Grass snake x 1 Natrix natrix (not pond dipped!)
10/5/2015 Smooth newt from pond (gravid) x1 Triturus vulgaris Hawker Dragonfly nymphs x 3 Agabus conspersus diving beetle larvae x 3 Water measurer as above Pond skaters as above Hog Louse x 1 Asellus aquaticus Great diving beetle larva x 1 as above Leech x 1 Worms Lesser water boatman as above Empty cased caddis fly case- possibly Limnephilus genus x 1
Open Weekend 11th May to 12th May 2013: 1. Water Hog Louse - Asellus aquaticus some pairs mate guarding 2. Water fleas - Daphnia sp – abundant 3. Waterflea - Cyclops 4. Great diving beetle – male- Dytiscus marginalis 5. Aquatic worms - lumbricus sp 6. Flatworms (planaria) Polycelis nigra 7. Small shrimp - unable to identify 8. Pond skaters - Gerris sp 9. Water measurer - Hydrometridae sp 10. Dragonfly larva - Brown Hawker - Aeshna grandis 11. Mayfly larvae - Pond Olive - Cloeon dipterum 12. Case of a cased caddisfly larva - green and brown leaves making it difficult to id especially as occupant not present. Possibly Limnephis decipens (green leaves) or Phacopteryx brevipennis (dark leaves) 13. Diving beetle larva - ? Agabus conspersus found in ponds according to one book but adults found in brackish pools in another book?? 14. Middle sized diving beetles - ? Agabus sp 15. Small diving beetles - not identified 16. Lesser water boatmen 17. Black midge larvae