AMPULEX COMPRESSA PDF

If you haven’t already met Ampulex compressa, otherwise known as the jewel wasp, now is as good a time as any. Someday you may be very. Ampulex compressa Trusted Image of Ampulex compressa; Map of Ampulex compressa this page yet. Explore what EOL knows about Ampulex compressa. The Emerald Jewel Wasp Ampulex compressa (Fabricius) is an endoparasitoid of the American cockroach Periplaneta americana (Linnaeus).

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Ampulex compressa – Wikipedia tiếng Việt

Mating takes about a minute, and only one mating is necessary for a female wasp to successfully parasitize several dozen roaches.

The wasp has a metallic blue-green body, with the thighs of the second and third pair of legs red. As early as the s, female wasps of this species were reported to sting a cockroach specifically a Periplaneta americanaPeriplaneta australasiaeor Nauphoeta rhombifolia [1] coompressa, delivering venom.

It then exits and proceeds to fill in the burrow entrance with pebbles, more to keep other predators out than to keep the roach in. Williams in as a method of biocontrol.

Ampulex compressa – Wikipedie

Several other species of the genus Ampulex show a similar behavior of preying on cockroaches. Researchers have simulated this zombie state by injecting procaine into the SEG. Eventually, the fully grown wasp emerges from the roach’s body to begin its adult life. It delivers an initial sting to a thoracic ganglion and injects venom to mildly and reversibly paralyze the front legs of its victim. Journal of Comparative Physiology. Ampulicidae Parasitic wasps Biological pest control wasps Suicide-inducing parasitism Insects described in Mind-altering parasites.

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Basically, it limits the effectiveness of octopamine, the neurotransmitter that controls muscle contraction in sudden movements.

By using this site, you agree to the Terms of Use and Privacy Policy. Individually, all of these substances induce short-term paralysis of the cockroach.

Ampulexins: A New Family of Peptides in Venom of the Emerald Jewel Wasp, Ampulex compressa.

Development is faster in the warm season. The metabolic change is thought to preserve nutrients for the wasp larva. It is known for its unusual reproductive behaviorwhich involves stinging a cockroach and using it as a host for its larvae.

It also causes excessive grooming and alterations in the metabolism of the cockroach.

Ampulex compressa Fabricius The biochemical basis of this transient paralysis is discussed in a paper. The second sting is administered to the subesophageal ganglion SEG and is much more precise, hence the need for paralysis and is significantly longer.

The wasp actively searches for the SEG during this sting. Retrieved 7 December Not Exactly Rocket Science News. Archives of Insect Biochemistry and Physiology. Views Read Edit View history.

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Articles with ‘species’ microformats Commons category link is on Wikidata. Wikimedia Commons has media related to Ampulex compressa. While a stung roach exhibits drastically reduced survival instincts such as swimming, or avoiding pain for about 72 hours, motor abilities such as flight or flipping over are unimpaired.

Adults live for several months. The concoction temporarily blocks the motor action potentials in the prothoracic ganglion by depressing cholinergic transmission through the increased chloride conductance across nerve synapses. In other projects Wikimedia Commons Wikispecies.

The wasps with the passion for horror: Ampulex compressa

dompressa The first sting is delivered to the prothoracic ganglion mass of nerve tissue which causes a 2— to 3-minute paralysis of the front legs. This page was last edited on 25 Decemberat When they are injected together in a ratio of From Wikipedia, the free encyclopedia. The wasp proceeds to chew off half of each of the roach’s antennae.