|
|
|
| The life span of arachnids, in contrast to that of insects varies widely. Their body growth is greatly limited by a rigid exoskeleton. Arachnids moult, after retreating into hiding and fasting. While most spiders moult hanging down from a thread (thread moulting) to spend the time of moulting on their backs. | | |
|
| ...f their large compound eyes is divided into two areas, one directed upwards the other directed to the sides. The mouth parts of mayflies are not functional (adults do not eat), and their antennae are small. At the rear end of the abdomen are 2 thread-like appendages (cerci) and sometimes an additional terminal thread. These appendages are segmented and are longer than the body. Mayfly breathe through tracheae. | | |
|
|
| The life expectancy of spiders varies. The growth of the body is severely limited by a rigid external skeleton. When Araneae want to shed their skin they retreat into hiding and stop eating. While most spiders hang from a thread while they are shedding their skin, tarantulas lie on their backs. | | |
|
| Mosquitoes | | Mosquitoes (Culicidae) are a family of insects within the order two-winged flies (Diptera), the suborder thread-horns (Nematocera), the infraorder Culicomorpha and the superfamily Culicoidea. Mosquitoes have existed for about 170 million years. From a total of approximately 2700 species worldwide, 104 species can be found in Europe, almost all of which live i... | | |
|
| Common crane fly | | The Common crane fly (Tipula oleracea) is a species of the genus Tipula, in the order two-winged flies (Diptera), the suborder thread-horns (Nematocera), the family crane flies (Tipulidae), and the subfamily Tipulinae. This species is widespread in Europe. | | |
|
| ... frequently encountered throughout Western Europe, Central Europe, Western Asia and Central Asia and often appears in large numbers in small areas. The development history of this species, which reproduces each year is not yet fully understood. Thread status: this species doesn’t seem to be endangered. | | |
|
| ...erflies reach wingspans of 10 - 100 mm. The upper surface of their wings is usually colourful, while the undersides are rather inconspicuous. Their proboscis is well developed and their antennae are club-shaped. The caterpillars of Nymphalidae have thread-like appendages or ones resembling thorns. Some are hairy and some are hairless. | | |
|
| Phantom midges | | The phantom midges (Chaoboridae) are a family in the order two-winged flies (Diptera), the suborder thread-horned flies (Nematocera), the infraorder Culicomorpha and the superfamily Culicoidea is. In former times this family was classified as the subfamily Chaoborinae in the family mosquitoes (Culicidae). The Chaoboridae are divided into 2 subfamilies ... | | |
|
| Chaoborus crystallinus | | Chaoborus crystallinus belong to the genus Chaoborus, in the order of two winged flies (Diptera), the suborder thread-horned flies (Nematocera), the infraorder Culicomorpha, the superfamily Culicoidea, the family phantom midges (Chaoboridae), and the subfamily Chaoborinae. Chaoborus crystallinus are a European species. | | |
|
| ...himmer on the underside. The head of the beetle is angular. The forehead and the sides of the head have grooves and there is long hair on the cheeks. Calomera littoralis have very prominent eyes. This beetle has a very large field of vision.
The thread-like antennae comprise 11 segments, 6 of which have a velvet-like surface.
The abdomen consists of 6 segments, the first few of which are conjoined. Calomera littoralis have grainy elytra with white patches which form stripes. The patches on the s... | | |
|