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Northern White-faced Darter


Northern White-faced Darter
Photo Information
Copyright: Harm Alberts (Harm-digitaal) Gold Star Critiquer/Gold Note Writer [C: 110 W: 7 N: 1968] (7604)
Genre: Animals
Medium: Color
Date Taken: 2008-04-27
Categories: Insects
Camera: Canon EOS 40 D, Canon EF 180mm f/3.5L USM Macro
Photo Version: Original Version
Theme(s): European dragonflies 2 [view contributor(s)]
Date Submitted: 2008-04-28 14:16
Viewed: 3622
Points: 0
[Note Guidelines] Photographer's Note
Leucorrhina rubicunda fresh imago of a female / Northern White-faced Darter / Noordse witsnuitlibel / Nördliche Moosjungfer mänchen / Leucorrhine rubiconde.

Two weeks later than last year!(This year is the normal time;In 2007 the first months of the year were extremely warm and sunny!)

Leucorrhina rubicunda fresh imago of a male / Northern White-faced Darter / Noordse witsnuitlibel / Nördliche Moosjungfer mänchen / Leucorrhine rubiconde.

A dragonfly is any insect belonging to the order Odonata, the suborder Epiprocta or, in the strict sense, the infraorder Anisoptera. It is characterized by large multifaceted eyes, two pairs of strong transparent wings, and an elongated body.

Dragonflies typically eat mosquitoes, midges and other small insects like flies, bees, and butterflies. They are usually found around lakes, ponds, streams, and wetlands because their larvae, known as "nymphs", are aquatic. Dragonflies do not bite or sting humans; in fact, they are valued as a predator that helps control the populations of harmful insects, such as mosquitoes.

-Adult: achterlijfaanhangels zwart; voorrandader geheel geel.
-Man: pterostigma roodbruin.
-Vrouw: pterostigma zwart; achterlijfsegm. 4-7 vlekken tweemaal zo lang als breed.
-Vlucht: gaat vaak zitten, ook in bomen en struiken.
-Habitat: vaak matig voedselrijke wateren.
-Vliegtijd: mei-juni.

Verschil met Leucorrhinia dubia(White-faced Darter/Venwitsnuitlibel):

Adult: achterlijfaanhangels zwart; voorrandader zwart van basis tot aan knoop (daarna geel); pterostigma bruin tot zwart; vlekken op achterlijf smal.
Man: achterlijfvlekken (vaak) rood; pterostigma zwart.
Vrouw: achterlijfsegm. 2-4 met kleine gele zijvlekjes.
Vlucht: korte vluchten, zit veel op of bij de grond.
Habitat: vennen, stilstaand matig voedselrijk water.
Vliegtijd: mei-augustus.
Source:http://home.hccnet.nl/mp.van.veen/libellen/anisoptera.html

Harm

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