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Keyword: Segments |
Overview - a b c d e f g h i j k l m n o p q r s t u v w x y z |
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| Both males and females have red and black markings on the abdomen. In the females these markings can be divided into three basic patterns according to their shape and location.
In type 1, which is themost common, the 2nd - 6th segments are red. A black line runs along the centre of these segments, which widens into a patch at the end of each of them. This black line is followed by a thin, yellow ring. All remaining segments are entirely black.
Type 2 has a similar pattern. However, the black markings on the 2nd - 6th segments are less pronounced.
Type 3, however, only has a slight red colouration on the sides of the 2nd – 6th segments. The rest of the abdomen has a black, metallic sheen.
Males only ever have distinct black markings at the top of the 7th - 9th segments. | | |
| ...ueen european hornet, is 25-35 mm in length, the female workers, 15-25 mm, and the drones 20-30 mm. The crown of the head and the cheeks are a reddish-copper colou. The face is without markings. While the antennae of the drones comprises 13 segments, those of the females have only 12 segments. The eyes of the hornet are clearly visible and appear in the shape of a "C". The thorax and abdomen of european hornets are hairy. The upper surface of the chest (thorax) of the subspecies Vespa crabro crabro is dark coloured in the mid...
...crabro is dark coloured in the middle, while the subspecies Vespa crabro germana have a narrow red marking shaped like a "V" on their Mesoscutum. The abdomen has the typical black-brown/yellow colouration of wasps, and comprises 7 segments in the drones, 6 segments in the females. which besides is fitted with with 2 numbers of similar dripped designs, The females have a poisonous sting at the end of their abdomens; the drones lack this sting but have, in its place, sex organs. The wings of the european hornet... | | |
| | Their antennae have 16 segments or more and do not bend. The venation of the wings is very diverse. An important criterion for identification is the absence of a particular vein on the front wings. The trochantersof the hind legs comprise 2 segments. Female braconids have very long ovipositors, which can differ in length even within a species. The great length of the ovipositor, up to fourteen times the actual body length, is required for egg laying, which is often done by boring holes through ...
... egg laying, which is often done by boring holes through leaves into the interior of caterpillars, which can have long spines or bristles for protection. An important characteristic of braconids is the rigid connection of their 2nd and 3rd abdominal segments. | | |
| | Tabanus sudeticus | | ...udeticus reach body lengths of 19-25 mm. Their base colour is grey-brown. Their compound eyes are dark brown. The thorax of these flies is olive-brown to grey and has 3 weak longitudinal lines, which are somewhat brighter in colour. The dark brown segments at the rear end of the abdomen have a light-brown edge which gets wider at the sides. There is an even lighter coloured triangle in the middle of each of the 2nd to 5th segments. | | |
| | ...are atrophied and functional in some species and in others not. Phantom midges cannot sting. Their eyes do not touch but create a crescent shape around the base of their antennae. The long antennae of the males are feathered and comprise 13-15 segments. The pedipalps are divided into three to five segments. Dot eyes (ocelli) are not existing on them. The thorax (chest) has no continuous, V-shaped suture, as in the case of mosquitoes (Tipulidae). The wings of the females are black in colour and almost reach the end of their abdomen. The legs of the... | | |
| | The larvae of Chironomus atroviridis are slender and worm-shaped and have a head capsule. Their mouthparts (mandibles) are strongly built. Their bodies are divided into 3 thoracic segments and 9 abdominal segments. The first thoracic segment has a pair of stunted feet. They have a caudal disc which enables forward movement. The tracheae of the larvae are never open; breathing is performed exclusively through the skin. The development of the larvae alw... | | |
| | ...ch are bright green, red or yellow in colour and with various patterns which create a partial resemblance to Vespidae (wasps), but Tenthredinidae are not able to sting. The so-called "wasp waist" is absent. Their antennae can have 7 - 15 segments, but mostly have 9 segments. | | |
| | The head is orange-red at the front. The antennae are long and threadlike and the first 3 segments are brownish red. The other segments are black. The mouthparts (mandibles) are red in colour, as also as parts of the neck. The front part of the chest is orange on the upper surface (neck plate). There is a black spot in the middle of the chest that can run right up to the front or re... | | |
| | ...s are black and yellow. Male specimens of the subfamily Proscoliinae are almost uniformly black in colour, while females are predominantly of a reddish hue. Scoliidae are more or less hairy. The antennae of the males are straight and divided into 13 segments, while the shorter antennae of the female are heart-shaped or spiral and consist of 12 segments. The mouth parts include an extended proboscis even at the lower calyx which allows easier access to the nectar. Between the first and second segment (sternite) of the abdomen is a deep constriction. | | |
| | ...e wing covers of the males are green to dark green in colour, while the females’ are a dull, dark copper colour and have a green spot where they join. The males bear two black, oblong patches on their pronotums. In the males, the 8th to 10th antenna segments are as wide (or almost as wide) as they are long. The average width of the females’ antenna segments is slightly smaller. From the 5th segment on, the males’ antennae are reddish. The wing covers (elytra) are slightly elongated, narrow rounded and at the tips are slightly trimmed. The exterior (outer edges) blends into a sharp angle. Their surface ... | | |
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| Frequent Queries: | | Tenthredinidae long antennae (1) | | | | | | |
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