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| ... 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 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-b... | | |
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| The upper surface of the wing covers (elytra) is covered, almost evenly, in spots and has short hairs which stick out slightly. The markings on the wings are unmistakable. The elytra are bright red with a black patch in the shape of a heart or sometimes a trian... | | |
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| ...and hatch after about 3 to 6 days. At this time the eggs are orange in colour. The body of the larva is segmented and reaches a length of around 8 mm. It is either dirty greenish , grey to dark grey or dark brown in colour, and has a dimpled surface. The diet of the larvae is the same as the adults. If the plant they are on is disturbed while they are feeding, the larvae fall to the ground. Often, they are not able to find their way back to the food plants and run the risk of starvation. | | |
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| ...es are primarily black. The front section of their body has a greenish bronze shimmer. The rounded head is black with a dark green to bronze shimmer. The first segment of the antennae is yellowish in colour on the underside and black on the upper surface, while the following ten segments are entirely black. This is the most important identifying characteristic for this species. | | |
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| Cylindromyia brassicaria have an elongated abdomen. The rear edge of the or upper surface of the chest (postscutellum) bulges. This species of tachinids is diurnal and feeds on the nectar of flowering plants as well as honeydew. | | |
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| After mating, the fertilized females lay their eggs inside or even on the surface of larger adult stink bugs. The female achieves this by holding the host insect in a complicated clamp apparatus. The females have no ovipositors. | | |
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| Sexual maturity is reached when the fly is fully developed and these insects mate several times between May and August. The fertilized females lay their eggs on rotting plants, aquatic plants or on the surface of water. | | |
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| The chest of the males is deep black, while that of the females is dark greyish-brown, and both are (if you only mean the females take the ‘both are’ out) covered with black bristles, especially at the edges. The surface appears to be covered in grey "dust" in places. The upper side of the female’s abdomen is almost completely black and has this grey "dust", the underside is light grey. The genitalia of the males are very large and are placed bel... | | |
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| The larvae of Silphidae, with their broad, flattened, oval or elongated bodies often resemble woodlice. The surface of their bodies is hard. They usually have antennae with 4 segments. On each side of the head there are 2 - 6 secondary eyes. The larvae have 2 segmented appendages at the end of their abdomen, which support movement. | | |
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| ...um is similar to that of the pronotum but is brighter at the end. The end is split in two. The abdomen is oval, has markings in black and ochre and is partially covered by the wings. The penultimate (6th) segment of the abdomen has a black upper surface with five, bright irregular spots. The edges of the abdomen have a yellowish-brown and black pattern. The wingspan is about 14 mm. The front section of the wing is leathery and has a fine, dense stippling, while the rear section has a glass-li... | | |
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