Sunday 19 May
Common pond skater (Gerris lacustris)
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Find out here.Common pond skater fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
- Find out more
- Glossary
- References
- Print factsheet
Common pond skater description
| Kingdom | Animalia |
| Phylum | Arthropoda |
| Class | Insecta |
| Order | Hemiptera |
| Family | Gerridae |
| Genus | Gerris (1) |
The common pond skater (Gerris lacustris) is one of the most widespread British bugs. It is brownish-black in colour, with a narrow body. The forelegs are short and used for grasping and holding prey. The middle and hind legs are long and slender; the hind pair are used as 'rudders', while the middle pair of legs are used to propel the bug along the surface of the water (3) with either a rowing or a jumping motion (4). All true bugs have sucking mouthparts, known as a rostrum or 'beak' (3); this pond skater has a short, powerful rostrum (2). Both winged and wingless forms occur; in winged pond skaters the wings are held folded flat against the body (3).
- Size
- Length: 8-10 mm (2)
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Related species
Common pond skater biology
Adults emerge after over wintering towards the end of April or in early May, and females lay eggs in May. The eggs take around 12 to 14 days to develop, but the time taken until hatching is dependent on the temperature. Bugs undergo a type of development known as incomplete metamorphosis in which the larvae or 'nymphs' progress through a series of moults. The stages between moults are known as 'instars'; in this species there are 5 instars, each one progressively longer than the last. It takes between 24 and 30 days for pond skater larvae to develop into adults, with winged forms taking longer to reach maturity (3).
TopCommon pond skater range
The common pond skater is found throughout the British Isles, with the exception of the Outer Hebrides and the Shetland Isles (3).
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Species with a similar range
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You can view distribution information for this species at the National Biodiversity Network Gateway. |
Common pond skater habitat
Inhabits a wide range of water bodies, including garden ponds, ditches, streams and rivers (3).
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Species found in a similar habitat
Common pond skater status
The common pond skater is common and widespread (3).
TopCommon pond skater threats
The common pond skater is not threatened at present.
TopCommon pond skater conservation
No conservation action has been targeted at the common pond skater.
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There may be further information about this species available via the National Biodiversity Network Gateway. |
Find out more
For more on invertebrates and their conservation see Buglife, the Invertebrate Conservation Trust at:
http://www.buglife.org.uk/
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Glossary
- Incomplete metamorphosis
- Type of insect development (also known as hemimetabolous development) in which the adult form is reached via a series of moults. The larva (nymph) resembles a miniature wingless adult; the wings develop externally as the nymph grows.
- Larvae
- Stage in an animal's lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.
References
-
National Biodiversity Network Species Dictionary (Jan 2003):
http://www.nhm.ac.uk/nbn/ - Olsen, L., Sunesen, J. & Pedersen, B. V. (1999) Small freshwater creatures. Oxford University Press, Oxford.
- Southwood, T. R. E. & Leston, D. (1959) Land and water bugs of the British Isles. Frederick Warne & Co. Ltd., London.
- Macan, T. T. (1959) A guide to freshwater invertebrate animals. Longmans, Green & Co. Ltd., London.
More »Related species
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Image credit
Common pond skater walking on water
© Heather Angel / naturalvisions.co.uk
Natural Visions
6 Vicarage Hill
Farnham
Surrey
GU9 8HJ
United Kingdom
Tel: +44 (0) 1252 716 700
Fax: +44 (0) 1252 727 464
info@naturalvisions.co.uk
http://www.naturalvisions.co.uk/
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