Llun: 1
Maritime turf

Eriophyes thomasii mite galls on Thyme. Bardsey 1984
Enw rhywogaeth Mary: Eriophyes thomasii
Enw gwyddonol: Aceria thomasi

Dyddiad: 1984

Llun: 2
Butterfly, Moth

Painted Lady. Lichens Summit of Bardsey Mountain in wind. Just in. June 27th 1984
Enw rhywogaeth Mary: Painted Lady
Enw gwyddonol: Vanessa cardui
Enw cyffredin: Painted Lady

Dyddiad: 27/06/1984

Llun: 3
Butterfly, Moth

Painted Lady. Bardsey summit. Sharp shadows
Enw rhywogaeth Mary: Painted Lady
Enw gwyddonol: Vanessa cardui
Enw cyffredin: Painted Lady

Llun: 4
Butterfly, Moth

Female green-veined white , Bardsey withy bed. June 1984
Enw rhywogaeth Mary: Green-veined white
Enw gwyddonol: Pieris napi
Enw cyffredin: Green-veined white

Dyddiad: June 1984

Llun: 5
Butterfly, Moth

Green-veined white, Lotus, Hydrocotyle, Eliocharis, Ranunculus repens
Enw rhywogaeth Mary: Green-veined white
Enw gwyddonol: Pieris napi
Enw cyffredin: Green-veined white

Llun: 6
Butterfly, Moth

Small Magpie moth Eurrhypara hortulata (larvae on nettle, mint). Cristin, Bardsey June 1984 Not related to Magpie
Enw rhywogaeth Mary: Small Magpie moth
Enw gwyddonol: Eurrhypara hortulata
Enw cyffredin: Small Magpie moth

Dyddiad: June 1984

Llun: 7
Butterfly, Moth

Depressaria moth caterpillars. Hogweed Cristin, Bardsey
Enw rhywogaeth Mary: Depressaria moth
Enw gwyddonol: Depressaria sp.
Enw cyffredin: Parsnip Moth ????

Llun: 8
Butterfly, Moth

Helix aspersa, Asplenium obovatum, Silene, Taraxacum erythrospernum. South Bardsey crevice. Lanceolate spleenwort.
Enw rhywogaeth Mary: Helix aspersa
Enw gwyddonol: Cornu aspersum
Enw cyffredin: Common Garden Snail

Llun: 9
Waterlogged pasture (Boulder clay)

Painted Lady. Bardsey Island
Enw rhywogaeth Mary: Painted Lady
Enw gwyddonol: Vanessa cardui
Enw cyffredin: Painted Lady