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Any fast moving object (i.e. bee, dragonfly, leaf, etc.) that enters a territory will be quickly chased. The chase allows the male bee to determine if a female is unmated, or if an enemy male is in his territory. If it is a male bee, the territory owner will chase it out, but not beyond the boundary of the territory.
Adult male Strepsiptera have eyes unlike those of any other insect, resembling the eyes found in the trilobite group Phacopina. Instead of a compound eye consisting of hundreds to thousands of ommatidia , that each produce a pixel of the entire image, the strepsipteran eyes consist of only a few dozen "eyelets" that each produce a complete image.
The male bees' genetic makeup is therefore entirely derived from the mother, while the genetic makeup of the female worker bees is half derived from the mother, and half from the father. [12] Thus, if a queen bee mates with only one drone, any two of her daughters will share, on average, 3 ⁄ 4 of their genes.
Various explanations have been proposed for the evolution of the complex structure of the palpal organs found in most groups of spiders. One is the "lock-and-key" theory. The epigyne of the female spider also has a complex shape, and studies of pairs killed instantaneously during copulation show a precise fit between the male and female ...
It's a short video documenting the fight for survival between a bumble bee and a spider, and it's shot (and beautifully narrated) by London musician Keith John Adams. In the video, shot to teach
Eresus sandaliatus is a species of spider found primarily in northern and central Europe. Like other species of the genus Eresus, it is commonly called ladybird spider because of the coloration of the male. E. sandaliatus is one of the three species into which Eresus cinnaberinus or Eresus niger has been divided. [1]
Larger spider species, like wolf spiders, can be a little more aggressive and may bite people occasionally, Gangloff-Kaufmann said. But these bites are typically not dangerous because these ...
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