The invention concerns a device for carrying out the minimally invasive withdrawal of blood from animals by using blood-sucking assassin bugs. Blood samples are required within the scope of many testing arrangements, hence blood withdrawals are one of the most common interventions. In all known methods, a tapping of a bloodstream is carried out using a medical instrument. These blood withdrawals are often complicated and are subject to strict regulations. Furthermore, the animals have to be anesthetized sometimes. Assassin bugs have also been used for withdrawing small quantities of blood. The blood of bats stored in the abdomen of the assassin bugs is removed for tests. However, it is often difficult to locate the bug after it has sucked blood because it quickly flees to dark places. The inventive device is comprised of at least one receptacle (1), which has at least one perforated outer wall (1.1) and in which the assassin bug W can be positioned on the animal of interest (F) whereby enabling the assassin bug (W) to suck blood therefrom. Afterwards, the assassin bug (W) is fixed at a location on the perforated outer wall (1.1) inside said receptacle (1) by means of a moving intermediate wall (1.2) so that the blood sucked out from the animal and stored in the abdomen can be removed from the assassin bug (W) via a cannula.
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