Feeding Reduviidae

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orange assassin bug (gminatus australis) feeding on beetle



a reduviid camouflaged debris, australia



rhynocoris – predatory flower assassin bug south africa, may bite when carelessly handled, painful after effects persist months


predatory reduviidae use long rostrum inject lethal saliva liquefies insides of prey, sucked out. saliva contains enzymes digest tissues swallow. process referred extraoral digestion. saliva commonly effective @ killing prey substantially larger bug itself.


the legs of reduviidae have areas covered in tiny hairs aid in holding onto prey while feed. others, members of subfamily phymatinae in particular, have forelegs resemble of praying mantis, , catch , hold prey in similar way mantises.


as nymphs, species cover , camouflage debris or remains of dead prey insects. nymphal instars of species acanthaspis pedestris present 1 example of behaviour occur in tamil nadu in india. well-known species reduvius personatus, known masked hunter because of habit of camouflaging dust. species tend feed on pests such cockroaches or bedbugs , accordingly popular in regions people regard hunting beneficial. reduvius personatus example, , people breed them pets , pest control. assassin bug subfamilies adapted hunting types of prey. example, ectrichodiinae eat millipedes, , feather-legged bugs eat ants. spectacular example of latter ptilocnemus lemur, australian species in adult attacks , eats ants, nymph waits until ant bites feathery tufts on hind legs, upon whips around , pierces ant s head proboscis, , proceeds feed.


some research on nature of venom reduviidae under way. saliva of rhynocoris marginatus showed insecticidal activity in vitro, in tests on lepidopteran pests. effects included reduction of food consumption, assimilation, , use. antiaggregation factors affected aggregation , mobility of haemocytes.


the saliva of species rhynocoris marginatus (fab.) , catamirus brevipennis (servile) have been studied because of activity against human pathogenic gram-negative bacteria (including strains of escherichia coli, pseudomonas aeruginosa, proteus vulgaris, , salmonella typhimurium) , gram-positive (streptococcus pyogenes).


some species blood suckers rather predators, , accordingly far less welcome humans. triatoma species , other members of subfamily triatominae, such rhodnius species, panstrongylus megistus, , paratriatoma hirsuta, known kissing bugs, because tend bite sleeping humans in soft tissue around lips , eyes. more serious problem bites fact several of these haematophagous central , south american species transmit potentially fatal trypanosomal chagas disease, called american trypanosomiasis.








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