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Keyword: Beetle |
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 | |
Seite 3 von 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | | | | ... The hatched larvae feed on the puree until early autumn, thereafter they pupate within the brood chamber. They overwinter as pupae and hatch as adult bees in March. Among the parasites who feed on the brood of Anthophora and Amegilla is the oil beetle Sitaris muralis. In march, the female Sitaris muralis beetles place an egg on the fur of hatched male Anthophora and Amegilla.
During mating the eggs are transferred to the fur of the female bees and are thus transported unnoticed into the bees’ nests. The hatched larvae of the oil beetle feed on the food stores and on the brood of the Anthophora and Amegilla bees.
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| | Due to the fact that leaf beetles are herbivores they are often seen as pests, this includes the Colorado potato beetle, Psylliodes, Common asparagus beetle, Chrysomela populi and the Agelastica alni. | | |
| The young adult alder leaf beetle leaves its pupa in August and lives off the leaves of various trees and bushes until the end of September. These include alder (Alnus), willow (Salix), poplars (Populus), birch (Betula) and hazel (Corylus). At the end of September - beginning of ...
...gust and lives off the leaves of various trees and bushes until the end of September. These include alder (Alnus), willow (Salix), poplars (Populus), birch (Betula) and hazel (Corylus). At the end of September - beginning of October the alder leaf beetle hides in the ground, where it overwinters. | | |
| | In late April - early May, it appears on alder leaves once more, in order to start the so-called "maturation feeding". Alder can release hormones, which lower digests the beetle and thus forces it to change host. In this way alder are protected from excessive damage to their leaves. The alder leaf beetle then evades on other alder, willow, poplar, hazel, other fruit trees and herbs. These beetles often occur here in great numbers, which can kill younger trees and can limit growth in older trees. | | |
| | Green Dock Beetle - Gastrophysa viridula | | The Green Dock Beetle - Gastrophysa viridula (synonym: Gastroidea viridula) belong to the genus Gastrophysa, in the order beetles (Coleoptera), the suborder Polyphaga, the infraorder Cucujiformia, the superfamily Chrysomeloidea, and the family leaf beetles (Chrysomelidae). Subspecies of this species are: Gastrophysa viridula pennina and Gastrophysa viridula viridula. Gastrophysa viridula were still confined to the alpine areas in Central Europe until the beginning of the 20th Century, but are now w... | | |
| | Great capricorn beetle | | The great capricorn beetle (Cerambyx cerdo), or more precisely Cerambyx (Cerambyx) cerdo, is a species in the order beetles (Coleoptera), the suborder Polyphaga, the infraorder Cucujiformia, the superfamily Chrysomeloidea, the family longhorn beetles (Cerambycidae), also known as long-horned beetles or longicorns, the subfamily Cerambycinae, the tribe Cerambycini, the genus Cerambyx and the subgenus Cerambyx (Cerambyx). A scientific synonym for this species is Cerambyx heros. | | |
| The great capricorn beetle prefers to live in warm deciduous forests, parks or small river valleys with trees. It is found almost exclusively in sunny places with old, sick or dying oak trees, in which its larvae develop. However, it completely avoids dead wood. Occasionally,...
...voids dead wood. Occasionally, it is also found on hornbeam (Carpinus), chestnut (Castanea), locust bean plants (Ceratonia), ash (Fraxinus), walnut (Juglans), pears (Pyrus), black locust (Robinia), willow (Salix) and elm (Ulmus). The great capricorn beetle feeds on tree sap expired from injured mature trees or tree fruits. | | |
| | ...lts are nocturnal and active from May to August, especially in June to July. Their life expectancy is 46 - 59 days. By day they hide behind loose bark, in old tunnels or in the leaves of their home tree. The strong locatedness of the Great capricorn beetle (the beetle flies only short distances) significantly restricts its dissemination. After mating, the fertilized females lay 60 - 450 eggs in portions of 1 - 3 eggs in fissures in the bark of old oak trees. | | |
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