Top 20 Most Common Insects in Tajikistan

The four-spot (Libellula quadrimaculata) is one of the large dragonflies and reaches a body length of 4 to 4.5 centimeters with wingspan between 7 and 8.5 centimeters. Each of the four wings has a striking dark spot in the area of the distinctive transverse vein (nodus), after which the species received both its scientific and its trivial name. This dragonfly is also known for its mass migrations in swarms of impressive dimensions. The entire stock is not considered to be threatened.

Crocothemis erythraea can reach a length of 3.5 - 4.5 cm. These dragonflies haves a flattened and rather broad abdomen. The adult male scarlet dragonfly has a bright scarlet red, widened abdomen, with small amber patches at the bases of the hindwings. Also the veins on the leading edges of the wings are red. Females and immatures are yellow-brown and have a conspicuous pale stripe along the top of the thorax.

The adults grow up to 3.5 - 4 cm long. The wingspan reaches 5 - 6 cm. The abdomen of adult males is orange-reddish, without black spots on segments. The sides of the thorax are yellowish-brown. The adult females are quite similar to males, but the background color is more yellow. The wings are hyaline, with yellow or pale brown pterostigma.

It is a large dragonfly with greenish-yellow eyes. Its thorax is olivaceous-brown, paler on sides. Wings are transparent with an amber-yellow patch. Abdomen is ochreous, marked with azure-blue and reddish-brown. Segment 2 is blue on dorsum and pale green on the sides. Segments 3 to 7 are olivaceous-yellow with irregular reddish-brown stripes on mid-dorsum and narrow black apical annules. There is a broad mid-dorsal blackish-brown stripe on segments 8 and 9, enclosing a pair of triangular yellow apical spots. Segment 10 is bright yellow, with its base and mid-dorsum broadly black. Female is similar to the male. Its natural habitats are shrub-dominated wetlands, swamps, freshwater lakes, intermittent freshwater lakes, freshwater marshes, intermittent freshwater marshes, and freshwater springs. It breeds in shallow tanks and marshes. A rare long-distance migrant to the British Isles, occasionally seen even in winter.

The adults grow up to 4 - 4.5 cm long. The thorax and the abdomen are pale blue in males, yellowish-brown or greyish-brown in females. Young males are brownish. The abdomen is relatively flattened and shows a thin middorsal black line and distinct points on each segment. The wings are hyaline, with yellow or pale brown pterostigma. The wingspan reaches 7 - 7 cm.

Ischnura elegans can reach a body length of 2.5 - 3.5 cm and a wingspan of about 3.5 cm. Hindwings reach alength of 1.4 - 2 cm. Adult male blue-tailed damselflies have a head and thorax patterned with blue and black. There is a bi-coloured pterostigma on the front wings. Eyes are blue. They have a largely black abdomen with very narrow pale markings where each segment joins the next. Segment eight, however, is entirely pale blue. At rest, the wings of most damselfly species are held back together, unlike dragonflies, which rest with their wings out flat. The thorax of juvenile males has a green tinge. Female blue-tailed Damselflies come in a variety of colour forms.Juveniles may be salmon pink, form rufescens; violet, form violacea and a pale green form. The colour darkens as the damselfly ages. Mature females may be blue like the male, form typica; olive green thorax and brown spot, form infuscans or pale brown thorax and brown spot, form infusca-obseleta.

It is very similar to the blue-tailed damselfly, Ischnura elegans but on that species the blue spot is mostly on segment 8.Females undergo a change of colour as they mature. The immature female is bright orange, the aurantiaca phase, but matures to a greenish-brown.

The species is on the IUCN Red List as not endangered, year of assessment 2009.

This is a large damselfly with a total length of up to 1.9 in and a hindwing length of up to 1.4 in. Male and female are variable in color and pattern. The male has translucent wings which each have a broad, dark iridescent blue-black spot (or band) across the outer part. On immature dragonflies the spot is dark brown. The body can be a metallic blue or bluish green or a combination of both colours, depending on the time of year and location. The dark wing patch of the male starts at the nodus (the slight dip midway down the upper edge of the wing) but can reach up to the wing-tip in southern races.

The species is on the IUCN Red List as not endangered, year of assessment 2009. The slender bank dragonfly occurs from Southeastern Europe and North Africa to Japan and Australia