Cosmoclopius nigroannulatus
Cosmoclopius nigroannulatus · Order: Hemiptera · Family: Reduviidae
Cosmoclopius nigroannulatus is an assassin bug in the Harpactorinae subfamily. It lives in tobacco fields where it hunts pest insects such as the tobacco grayish bug, Spartocera dentiventris, as well as several aphid and beetle species. Female bugs need time after they emerge to mature their reproductive organs before they can lay eggs.
Source: Wikipedia
How to recognize it
It belongs to the assassin-bug family Reduviidae, subfamily Harpactorinae.
Source: Wikipedia
Where it lives
It is found in tobacco fields where it acts as a predator of other pests.
Source: Wikipedia
Life cycle
Females require a period after emergence to mature their reproductive organs before they can reproduce.
Source: Wikipedia
More photos




Same family (Reduviidae)
North American Wheel BugArilus cristatusCan bite
Leafhopper Assassin BugZelus renardiiCan bite
Masked HunterReduvius personatusCan bite
Eastern Bloodsucking ConenoseTriatoma sanguisugaCan spread germs or disease
Western Bloodsucking ConenoseTriatoma protractaCan spread germs or disease
Pale Green Assassin BugZelus luridusCan biteSources
- Wikipedia: https://en.wikipedia.org/wiki/Cosmoclopius_nigroannulatus
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Text written 2026-10-23 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.