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Some caterpillars even bite the female wasps that approach them. Some insects secrete poisonous compounds that kill or drive away the parasitoid. Ants that are in a symbiotic relationship with caterpillars, aphids or scale insects may protect them from attack by wasps. [18] [19] Parasitoid wasps are vulnerable to hyperparasitoid wasps.
The male wasps' aggressive behavior is similar to that of another robust insect of the area, the male carpenter bee. In both cases, while the males' vigorous territorial defense can be frightening and intimidating to human passersby, the males pose no danger whatsoever. Male cicada killers only grapple with other insects, and cannot sting. [4]
Solitary wasps parasitize almost every pest insect, making wasps valuable in horticulture for biological pest control of species such as whitefly in tomatoes and other crops. Wasps first appeared in the fossil record in the Jurassic, and diversified into many surviving superfamilies by the Cretaceous. They are a successful and diverse group of ...
Here are 10 types of invasive insects that scientists urge people to kill on sight to prevent further damage to our natural world. ... and introducing natural predators such as parasitic wasps. ...
Wasps come in a variety of colors — from yellow and black to red and blue — and are split into two primary groups: social and solitary. Most wasps are solitary, non-stinging insects that do ...
The blue-winged wasp pictured with this column preys on beetle grubs, including the invasive Japanese beetle. Other wasps victimize cicadas, crickets, katydids, spiders, stinkbugs, walkingsticks ...
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