Biology Reference
In-Depth Information
Table 9.1.
Survival, fresh weight, and development time of Colorado
potato beetles (
Leptinotarsa decemlineata
) on cultivated potato (
Solanum
tuberosum
) and horse nettle (
Solanum carolinense
) in Connecticut, New
Jersey, and North Carolina (Data from Hare and Kennedy 1986).
Survival (%)
Weight (mg)
Development Time (days)
Male
Female
C
ONNECTICUT
Potato
44.2
111.8
21.2
20.9
Horse Nettle*
3.3
-6.7
83.9-
98.2
28.0
-36.0
26.5
-28.8
N
EW
J
ERSEY
Potato
47.5
103.5
21.2
21.3
Horse Nettle*
17.5-
19.2
96.6
-104.5
24.3
-24.4
22.5
-24.0
N
ORTH
C
AROLINA
Potato
55.8
96.8
21.5
21.3
Horse Nettle*
60.8-
62.5
94.0-
102.2
21.9
-23.8
21.5
-22.8
* Figures in italics are for horse nettle plants from North Carolina and figures in Roman
type are for plants from Connecticut.
adapting to the new prey and host environments they encounter. With
these species, many more cases of rapid evolution have been documented,
and both vertebrates and invertebrates have shown rapid evolutionary
responses.
