Suspension velocity of the Colorado potato beetle in free fall |
| |
| Authors: | G C Misener G Boiteau |
| |
| Institution: | 1. Agriculture Canada Research Station, P.O. Box 20280, E3B 4Z7, Fredericton, NB, Canada
|
| |
| Abstract: | The suspension velocity of the Colorado potato beetle was determined for four stages of its life cycle. Suspension velocities measured using an experimental video technique agreed reasonably well with theoretical values. Suspension velocities for the adults, fourth, third, and second instars were 9.4, 9.5, 7.3, and 5.9 m/sec, respectively. Recent experimental results suggest that a large percentage of adults and large larvae of the Colorado potato beetle are missed during a single pass of commercial field scale vacuum insect collectors. The relatively low suspension velocity of free falling small larvae explain, at least in part, why only 3% of the small larvae fell to the ground. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
