1985] 
Pet try & Tarter — Baetisca Carolina 
359 
50 
|_ Oct 
Nov 
Dec 
: 5 f j ~ 
n 0L 
O 
3 
TJ 15 
’> 
i 0 
Feb 
10 r March 
- 10 F 
o oL 
« 10 C April 
| oL 
2 10 ^ May 
15 ^ June 
1 ,ul >' 
20 C Aug 
oL 
20 
_ Sept 
oL 
i r 
i i i i i i i i 
0 1 2 3 4 5 6 7 
Body Length, mm 
62 
67 
42 
40 
68 
10 11 
Figure 1. Length-frequency histograms showing the monthly distributions of 
Baetisca Carolina nymphs from Panther Creek, Nicholas County, West Virginia. The 
number of individuals collected is indicated at the right. 
