Pair "in cop", River Great Ouse between Kempston and Bromham. [5] Adult male blue-tailed damselflies have a head and thorax patterned with blue and black. They have a largely black abdomen with very narrow pale markings where each segment joins the next. Find Blue-tailed Damselfly (Ischnura elegans) immature female of the rufescens form, Marazion Marsh RSPB Reserve, Cornwall, England, UK. A hím fejét és torját (thorax) kék és fekete mintázat borítja. The species is the most widely distributed in Leicestershire & Rutland, and has always been common in our area. Separate with care from the very similar but smaller Female rufescens form. Females look superficially like males but have a spine underneath segment 9. #365DaysWild, Blue-tailed damselfly, British damselflies, damselfly, damselfly and devil, Ischnura elegans rufescens The damselfly and the devil – not a combination I’d have thought of but this, from Paul Evans, Field Notes from the Edge: Journeys through Britain’s secret wilderness (Rider, London, 2015) is … have a number of colour variations including the pink form, (Fringilla coelebs subspecies F. c. schiebeli), Paphos Archeological Park, Paphos, Cyprus, Lullymore West Bog, Lullymore, Co. Kildare, Ireland (CLICK HERE TO VIEW LOCATION), FOUR SPOTTED CHASER DRAGONFLY / FOUR SPOTTED SKIMMER DRAGONFLY. In the blue-tailed damselfly, Ischnura elegans, young males are bright green and turn blue as they reach maturity. This has a violet thorax with mid dorsal / humeral black stripes and a blue segment 8. body coloration is green-brown, with infuscans being more greenish and rufescens-obsoleta being more brownish. CLICK ON PHOTO TO SEE HIGHER QUALITY IMAGE Click  here  for detailed species information Click  here   to see distribution map an... CLICK ON PHOTO TO SEE HIGHER QUALITY IMAGE Click here for detailed species information. Ischnura elegans. Blue-tailed Damselfly Ischnura elegans The Blue-tailed damselfly occurs in most of the UK and, unlike most other damselflies, will tolerate polluted or brakish waters. Ischnura elegans has three female morphs (one andromorph and two gynomorphs). The colour darkens as the damselfly ages. Male. Separate with care from the very similar but smaller Scarce Blue-tailed Damselfly (Ischnura pumilio) whose abdomen S9 is blue.The flight season extends from April to early October. Physiological traits related to aerobic/anaerobic metabolism of Ischnura pumilio and Ischnura elegans damselfly larvae as a function of chlorpyrifos (CPF) exposure and rearing temperature: activity levels of (A) pyruvate kinase (PK) and (B) lactate dehydrogenase (LDH), and (C) levels of lactate. Found in a very wide range of lowland habitats including brackish or polluted water where it may be the only species present. This one is an Ischnura elegans (Blue-tailed Damselfly). Two diamonds can just be seen developing on the wings indicating this is may be another blue-tailed damselfly. The male Red-eyed Damselfly is similar due to blue colouration at the end of the abdomen but is far more robust with red eyes. This is the rufescens form. Start as either rufescens with a reddish-pink thorax and blue segment 8 or violacea with a violet thorax and antehumeral stripes, black humeral stripes and blue segment 8. Female,andromorphic form, Felmersham NR. In this species the abdomen S8 is blue coloured. [4] Juveniles may be salmon pink, form rufescens; violet, form violacea and a pale green form. Ischnura elegans (Vander Linden, 1820) říše Animalia - živočichové » kmen Arthropoda - členovci » třída Insecta - hmyz » řád Odonata - vážky » čeleď Coenagrionidae - šidélkovití » rod Ischnura - šidélko I. elegans has been listed as bivoltine in Belgium (directly south of The Netherlands) and northern France, and mainly univoltine in The Netherlands (Corbet et al. After around eight days they mature and change colour, rufescens become greenish-brown of the form rufescens-obsoleta. There is a bi-coloured pterostigma on the front wings. The females come in five different colour variations – this, with the reddish thorax, is called rufescens. • the lower side of the thorax and the antehumeral stripe (which may be narrow or even absent) are green/blue. In the blue-tailed damselfly, Ischnura elegans, young males are bright green and turn blue as they reach maturity. It has been shown that infuscans and rufescens-obsoleta gynomorphs are distinguishable using spectrophotometric analysis (Van Gossum et al. Eyes are blue. Credit Davie Mitchell. A nyolcadik ízület teljesen kék színű. Blue-tailed Damselfly (Ischnura elegans) ... As rufescens matures the thorax and blue abdominal segment become yellow-brown - this mature form, is known as rufescens-obsoleta. Latin Name. • Ischnura elegans (Vander Linden, 1820) Distribution • click or tap the Map button above: Notes • belongs to the elegans group, together with I. genei, I. graellsii and I. saharensis • co-occurs locally with I. genei (e.g. Female (form rufescens-obsoleta) laying eggs in the pond in my garden in SW France, June 2008. This has been recorded as Ischnura elegans rufescens-obsoleta. Common Bluetail ( Ischnura elegans) • a small species, very common and widespread throughout Europe except Iberia, some Mediterranean islands and northern Scandinavia. [4], Ischnura elegans can reach a body length of 27–35 millimetres (1.1–1.4 in) and a wingspan of about 35 millimetres (1.4 in). Flickr photos, groups, and tags related to the "ischnura" Flickr tag. I was experimenting with back drops, this was a multi coloured foam sheet. Segment eight, however, is entirely pale blue. Age-related changes in female morph body coloration are presented on a chronological scale, starting with just metamorphosed individuals that are called teneral. Female-limited polychromatism is frequent in many species of Odonata. Awesome Inc. theme. Powered by, . It commonly occurs throughout Europe. Ischnura elegans sp. A recent study has shown that they can compensate for a whole wing loss and even successfully maneuver and catch prey.[6]. Adults fly from April to September to early October. [4] At rest, the wings of most damselfly species are held back together, unlike dragonflies, which rest with their wings out flat. The Blue-tailed Damselfly (Ischnura elegans) is of the family Coenagrionidae which is in the genus Ischnura.It commonly occurs throughout Europe. Habitat. Ischnura elegans clipart. Free and Open Access to Biodiversity Data. The immature rufescensmatures into a form known as rufescens-obsoletawhilst the immature violaceacan mature either into the andromorphor into infuscans. The “traditional” names assigned to the five female colour forms have been modified such that one form, originally known as infuscans-obsoleta, is now referred to as rufescens -obsoleta. Ischnura eleganshas three colour morphs: one male-like coloured (androchrome) and two additional gynochrome brown morphs (infuscansand rufescens-obsoletamorphs). Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. British Insects: the Odonata (Dragonflies and Damselflies, https://en.wikipedia.org/w/index.php?title=Blue-tailed_damselfly&oldid=976047769, Taxa named by Pierre Léonard Vander Linden, Creative Commons Attribution-ShareAlike License, This page was last edited on 31 August 2020, at 22:05. For our experiments and observations we only considered violacea and rufescens as immature females. A juvenile female in the family Coenagrionidae, showing one of several colour forms of this species . BLUE TAILED DAMSELFLY (Ischnura elegans) [Immature female, form rufescens] Lullymore West Bog, Lullymore, Co. Kildare, Ireland The blue-tailed damselfly or common bluetail (Ischnura elegans) is a damselfly, belonging to the family Coenagrionidae.[1]. Immature females 2011) and differ in the degree of resistance and tolerance to male mating attempts (Gosden and Svensson 2009). On our site you can get for free 20 of high-quality images. The island bluetail damselfly, Ischnura genei (Rambur, 1842), is a species restricted to the Mediterranean islands (Tuscan archipelago and the Tyrrhenian and Maltese islands) (Boudout & Kalkman, 2015). Female rufescens form. In its typical form it has a blue striped thorax but there are a number of less common forms including 'rufescens' with its dark salmon pink thorax. Females vary with at least 5 different colour forms! The flight season extends from April to early October. Male. Scarce Blue-tailed Damselfly is very similar though rare in Shropshire and found in very different habitat. • violacea and rufescens are immature female colour forms, which with age develop into one of the three mature forms: violacea (with its antehumeral stripe) into either typica or infuscans; rufescens (without an antehumeral stripe) into infuscans-obsoleta; see below for details: Habitat A nyolcadik ízület teljesen kék színű. 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