A recognized authority on spiders, Rainer F. Foelix studied Biology in both Germany and Switzerland, and obtained his PhD in Zoology. His spider research started…
Bionomie vybraných čeledí podřádu Mygalomorphae Kolmo k zemi vybudované podzemní nory opatřené záklopkou, několik únikových cest, tak bych stručně charakterizoval úkryty sklípkanů, kterým se přezdívá Trapdoor spiders, neboli pavouci "padající…
A few aspects of basic biology of the Phiddipus genus from the section of Jumping spiders (Salticiadae, Araneomorphoae) A few years ago on a small…
...is there such a thing? The answer is: yes. The phenomenon when a spider covers its burrow with a so-called "trapdoor" is well known and characteristic in some mygalomorph families (e.g., Antrodiaetidae, Ctenizidae) and in the family Liphistiidae, but we can also find a few examples of this behaviour in the tarantula family: Theraphosidae.
The word gynandromorph comes from the greek: gyne means female, andros means male and morph means form. A gynandromorph is an animal that are divided half female and half male, they have organs of both sexes and offen haves characteristic of sexual dimorphism like colour/patterns-differences, and differences of antennas, wings, claws and horns. Gynandromorphs has nothing to do about hermafrodism - It´s an rare genetic abnormality that appears in insects, arachnids and crayfishes.
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