Stung by a Japanese giant hornet

The Japanese giant hornet (Vespa mandarinia japonica) is a subspecies of the world’s largest hornet, the Asian giant hornet. It is a large insect, with adults frequently growing to greater than 4,5 centimeters long, with a wingspan greater than 6 centimeters. It has three small, simple eyes on the top of the head between the two large compound eyes. As the name implies, it is endemic to the Japanese islands, where it prefers rural areas where it can find trees to nest in.

The Japanese giant hornet is large and can be very aggressive if provoked. Its venom, which is injected by the 6,25 mm-long stinger, attacks the nervous system and damages the tissue of its victims. Tests involving mice found that the venom falls short of being the most lethal of wasp venom, having an LD50 of 4,0 mg/kg. In comparison, the deadliest wasp venom (at least to lab mice) by weight belongs to Vespa luctuosa at 1,6 mg/kg. The potency of the sting is due, rather, to the relatively large amount of venom injected. Being stung is extremely painful and can require hospitalization. Asian giant hornet stings can cause anaphylactic shock in allergic people but can still be lethal to people who are not allergic, provided the dose is sufficient. [Via: wikipedia]

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