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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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. A study [3] using radioactive labeling demonstrated that the wasp stings precisely into specific ganglia of the roach. Views Read Edit View history. Wikispecies has information related com;ressa Ampulex compressa.
Journal of Comparative Physiology. The wasp, which is too small to carry the roach, then leads the victim to the wasp’s burrowby pulling one of the roach’s antennae in a manner similar to a leash. They also determined using extracellular bipolar electrodes that neuronal activity was less in stung cockroaches.
With its escape reflex disabled, the stung roach simply rests in the burrow as the wasp’s egg hatches after about 3 days. The biochemical basis of this transient paralysis is discussed in a paper. As compreesa result of this sting, the roach will first groom extensively, and then become sluggish and fail to show normal escape responses.
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The wasps with the passion for horror: Ampulex compressa
Researchers have simulated this zombie state by injecting compressz into the SEG. The hatched larva lives and feeds for 4—5 days on the roach, then chews its way into its abdomen and proceeds to live as an endoparasitoid. Retrieved from ” https: It delivers an initial sting to a thoracic ganglion and injects venom to mildly and reversibly paralyze the front legs of its victim. This page was last edited on 25 Decemberat 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.
Retrieved 7 December The wasp is mostly found in the tropical regions of South AsiaAfricaand the Pacific islands.
Emerald cockroach wasp Ampulex compressa Scientific classification Kingdom: Over a period of 8 days, the wasp larva consumes the roach’s internal organs in an order which maximizes the likelihood that the roach will stay alive, at least until the larva enters the pupal stage and forms a cocoon inside the roach’s body. The concoction temporarily blocks the motor action potentials in the prothoracic ganglion by depressing cholinergic transmission through the increased chloride conductance across nerve synapses.
The venom may disturb the octopaminergic modulation in structures within the roach’s ganglion. It also causes excessive grooming and alterations in the metabolism of the cockroach. It is a,pulex for its unusual reproductive behaviorwhich involves stinging a cockroach and using it as a host for its larvae.
The flying wasps are more abundant in the warm seasons of the year. The wasp has xmpulex metallic blue-green body, with the thighs of the second and third pair of legs red. Basically, it limits the effectiveness of octopamine, the neurotransmitter that controls muscle contraction in sudden movements.
Taurine and beta-alanine likely extend the duration of the paralytic effect by slowing the uptake of GABA by the synaptic cleft. Wikimedia Commons has media related to Ampulex compressa.
Ampulicidae Parasitic wasps Biological pest control cojpressa Suicide-inducing parasitism Insects described in Mind-altering parasites. Archives of Insect Biochemistry and Physiology.
It thus belongs to the entomophagous parasites. Not Exactly Rocket Science News.
The wasp with the passion for horror: Ampulex compressa – Anura
Development is faster in the warm season. Williams in as a method of biocontrol.
This has been unsuccessful because of the territorial tendencies of the wasp, and the small scale on which they hunt. The metabolic change is thought to preserve nutrients for the wasp larva. By using this site, you agree to the Terms of Use and Privacy Policy. While a number of venomous animals paralyze prey as live food for their young, A.
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. As early as the s, female wasps of this species were reported to sting a cockroach specifically a Periplaneta americanaPeriplaneta australasiaeor Nauphoeta rhombifolia [1] twice, delivering venom. The second sting inhibits the cockroach’s ability to walk spontaneously, or of its own will, but cockroaches can right themselves and swim while under the influence, and when startled, will jump but not run.
Ampulex sinensis SaussureChlorampulex striolata Saussure, Sphex compressus Fabricius,