Head to head
Elephant Weevil vs Boll Weevil
The elephant weevil and boll weevil are both true weevils with the family's characteristic long snout, but their impact on agriculture could hardly be more different, one a modest nuisance to fruit trees, the other a pest that reshaped the economy of the American South.
| Elephant Weevil | Boll Weevil | |
|---|---|---|
| Scientific name | Orthorhinus cylindrirostris | Anthonomus grandis |
| Pest status | A minor pest of some fruit and ornamental trees | A historically devastating cotton pest |
| Snout use | Boring holes into wood for egg-laying | Feeding and creating a hole for egg-laying in cotton bolls |
| Larval development | Tunnels and feeds inside wood | Develops hidden inside a cotton boll |
| Historical impact | No major historical economic impact | Devastated cotton agriculture across the southern United States |
| Population control | Not subject to coordinated control programmes | Largely controlled through coordinated eradication programmes |
| Native range | Forest habitat across parts of Australia | Mexico, Central America, and the southern United States |
| Conservation status | Not Evaluated | Least Concern, though declining due to eradication efforts |
Elephant Weevil vs Boll Weevil: common questions
Which weevil caused more agricultural damage historically, the elephant weevil or the boll weevil?
The boll weevil, by an enormous margin; it caused catastrophic damage to cotton agriculture across the southern United States, while the elephant weevil is only a minor pest of certain fruit and ornamental trees in Australia.
Do the elephant weevil and boll weevil use their snouts for the same purpose?
Both use their snouts for feeding and for creating holes to lay eggs, but the elephant weevil bores into wood generally, while the boll weevil specifically targets cotton bolls, where its larvae then develop hidden inside.
Is the boll weevil still a major threat today compared to the elephant weevil?
Much less so than in the past; a long-running, coordinated eradication programme has dramatically reduced boll weevil populations across much of the southern United States, while the elephant weevil remains a comparatively minor, ongoing pest concern in parts of Australia.