Molecular Biology and Genetics
Statistics of barcoding coverage: Thymelicus sylvestris
Public Records: 18
Specimens with Barcodes: 85
Species With Barcodes: 1
Barcode data: Thymelicus sylvestris
There are 18 barcode sequences available from BOLD and GenBank. Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species. See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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It has a rusty orange colour to the wings, upper body and the tips of the antennae. The body is silvery white below and it has a wingspan of 25–30 mm. This butterfly is very similar in appearance to the Essex Skipper Thymelicus lineola. In the Small Skipper, the undersides of the tips of the antennae are yellow orange, whereas they are black in the Essex Skipper. The black area on the lower edge of the upper wings also differs. Like the other orange 'grass skippers' the male has a distinctive black stripe made up of scent scales.
Lifecycle and foodplants
Eggs are laid loosely inside grass sheathes of the caterpillars foodplants from July to August. The newly hatched caterpillars eat their own eggshell before entering hibernation individually in a protective cocoon of a grass sheath sealed with silk. In the spring the caterpiller begins feeding. The favoured food plant is Yorkshire Fog Holcus lanatus, although other recorded foodplants include Timothy Phleum pratense, Creeping Soft Grass Holcus mollis, False Brome Brachypodium sylvaticum, Meadow Foxtail Alopecurus pratensis and Cock's foot Dactylis glomerata. The caterpillars pupate near the base of the foodplant in June with the first adults on the wing at the end of June, a week or two before the first Essex Skippers.They are strongly attracted to purple flowers such as Thistles and Knapweeds.
- Jim Asher et al. The Millennium Atlas of Butterflies of Britain and Ireland Oxford University Press
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