Britannica Sources used in this answer

How do assassin bugs capture and paralyze prey?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Assassin bugs, which belong to the Heteroptera suborder, utilize diverse strategies to capture and paralyze their prey. Many species use specialized mouthparts—a short, three-segmented beak—to pierce their victims and inject enzymes or venomous saliva that liquefies the prey's tissues, allowing the bug to consume the resulting fluids.1

Capture methods vary by species:
* Physical Grasping: Some, like the thread-legged bug, use modified, viselike front legs to seize prey, while ambush bugs use enlarged fore femurs to capture victims suddenly.1
* Aggressive Mimicry: Certain species, such as Stenolemus bituberus, lure spiders by plucking web threads to mimic trapped insects, drawing the spider into striking range.1
* Chemical Luring: Feather-legged bugs (subfamily Holoptilinae) release a secretion from an abdominal structure called a trichome that attracts ants; the ants become paralyzed after licking the substance, at which point the bug pierces them to feed.1
* Sticky Traps: Species in the genus Apiomerus coat their legs with plant resins to capture bees and other insects.1