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Leafy Spurge Control Using Flea Beetles (2467 words) |
 | Aphthona abdominalis Duftschmid was released in 1992 but has not yet contributed to leafy spurge control in the state. |
| Aphthona species flea beetles are about the size of flax seed (about 0.10 inches long) and vary in color and shape depending on species. |
| Aphthona flea beetles are very gregarious, and males and females need to be in close proximity. |
| Northern Canola Growers Association (2907 words) |
| The Aphthona flea beetle complex also had intensive host screening in its country of origin (Europe), and within the USDA Biological Control Quarantine laboratories before they were released into the wilds of the United States. |
| Aphthona flea beetles all have orange or yellow tibiae while the flea beetles of crucifers have brown or fl tibiae. |
| The Aphthona flea beetles are larger, 3-4 mm and the interocular space is always much wider than one eye width; in contrast, the smaller Phyllotreta flea beetles, are 2-3 mm and interocular space hardly wider than one eye width. |
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