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Several wasps feed on Queen’s Anne lace plants on June 29, 2012, in Davis, California. ... Are wasps dangerous to humans? Pets? It depends on which type of wasp it is.
Are all wasps aggressive? Are their stings dangerous? Know these facts before your next encounter.
Provespa is a small genus of Vespidae, made up of nocturnal wasps from Southeast Asia, sometimes referred to as "night wasps" or "night hornets", [3] though they are not true hornets (genus Vespa). They are the only nocturnal members of the subfamily Vespinae , and also the only vespines where new colonies are formed by swarming (one queen ...
As the night progresses there are moderate to heavy levels of return and departures by smaller groups of wasps. The foraging patterns of Apoica pallens are dependent on the moon's cycle : when the moon is new or small, Apoica pallens forages during the first 4 hours after sunset, with another small peak of activity just before dawn as wasps ...
Also, a related genus of Asian nocturnal vespines, Provespa, is referred to as "night wasps" or "night hornets", [5] though they are not true hornets. [6] Some other large wasps are sometimes referred to as hornets, most notably the bald-faced hornet (Dolichovespula maculata) found in North America. It is set apart by its black and ivory ...
The potential queen may or may not be inseminated or have developed ovaries. The only certainty is that after the queen is gone, the worker who is the potential queen will become very aggressive. The aggressiveness subsides after about two days. [13] The potential queen seems to require this heightened aggression in order to boost her own ...
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Each social wasp colony includes a queen and a number of female workers with varying degrees of sterility relative to the queen. In temperate social species, colonies usually last only one year, dying at the onset of winter.