Ladybug, ladybird, and lady beetle are a few of the common names for
this insect. Lady beetles are very common. In fact, there are more than
400 species in North America alone. The species most commonly seen in Oregon is the convergent lady beetle.
Hippodamia convergens Guerin-Meneville was selected for
rapid development through five generations at four constant
temperatures (18, 22, 26, and 30°C). Two levels of selection
were used: intense and moderate. Differences in developmental
rate, survivorship, live adult weight, aphid consumption,
adult longevity, and fecundity were measured for both groups
and an...