| Thymelicus sylvestris | Small Skipper | Common |
| Thymelicus lineola | Essex Skipper | Two records - more fieldwork should reveal it in small numbers |
| Ochlodes venata | Large Skipper | Small numbers all around the lake |
| Colias croceus | Clouded Yellow | Ones and twos during influxes - never frequent |
| Gonepteryx rhamna | Brimstone | Infrequently seen - thought to breed here but proof is lacking |
| Pieris brassicae | Large White | Common |
| Pieris rapae | Small White | Common |
| Pieris napi | Green-viened White | Common |
| Anthocharis cardamines | Orange-tip | Small numbers here and there |
| Callophrys rubi | Green Hairstreak | One record - two behind the sailing club in 1995 |
| Quercusia quercus | Purple Hairstreak | Locally common on the Parkland |
| Strymonidia w-album | White-letter Hairstreak | Small colonies found in the 90s on the Bittern Trail and Wick Green, and one in the main reedbed on 24-06-06 |
| Lycaena phlaeas | Small Copper | Fairly common all around the lake |
| Aricia agestis | Brown Argus | Occasional insects found here and there, but few recent records |
| Polyommatus icarus | Common Blue | Fairly common |
| Celastrina argiolus | Holly Blue | Occasionally seen around the lake - subject to annual fluctuations |
| Vanessa atlanta | Red Admiral | Fairly common - numbers augmented by migrants |
| Cynthia cardui | Painted Lady | Numbers vary with influxes - common some summers, absent in others |
| Aglais urticae | Small Tortoiseshell | Fairly common - influxes have been noted |
| Inachis io | Peacock | Fairly common |
| Polygonia c-album | Comma | Fairly common |
| Boloria euphrosyne | Pearl-bordered Fritillary | One record on the Grebe trail in 1996 |
| Argynnis paphia | Silver-washed Fritillary | Single valezina female(s) in August 2000 |
| Pararge aegria | Speckled Wood | Common |
| Lasiommata megera | Wall | Rare - very few recent records |
| Melanargia galathea | Marbled White | Common |
| Pyronia tithonus | Gatekeeper | Common |
| Maniola jurtina | Meadow Brown | Very common |
| Coenonympha pamphilus | Small Heath | Ones and twos here and there, but rather infrequent, especialy in recent years |
| Aphantopus hyperantus | Ringlet | Fairly common |
