32 Boris C. Kondratieff, Ralph F. Kirchner, and David R. Lenat 
Table 1. Continued. 
Unzicker 
and McCaskill 
(1982) 
Stark 
et al. 
(1986) 
Stewart 
and Stark 
(1988) 
Helopicus bogaloosa Stark and Ray 
SC 
SC 
H. subvarians (Banks) 
X 
NC,SC 
NC,SC 
Hydroperla fugitans 
(Needham and Claassen) 
X 23 
Isogenoides doratus (Frison) 
X 1 2 
I. hansoni (Ricker) 
X 
NC 
NC 
I. varians (Walsh) 
X 
SC 
SC 
Isoperla bellona Banks 
X 
NC 
NC 
I. bilineata (Say) 
X 
NC 
NC 
I. clio (Newman) 
X 21 
I. cotta Ricker 
X 
SC 
SC 
I. dicala Frison 
X 
SC 
sc 
I. distincta Nelson 
X 1 
NC,SC 
NC,SC 
I. holochlora (Klapalek) 
X 
NC,SC 
NC,SC 
I. lata Frison 
X 1 
I. marlynia Needham 
and Claassen 
X 
SC 
SC 
I. nana (Walsh) 
X 
I. orata Frison 
X 
NC,SC 
NC,SC 
I. similis (Hagen) 
X 
NC,SC 
NC,SC 
Malirekus hastatus (Banks) 
X 
NC,SC 
NC,SC 
Oconoperla innubila (Needham 
and Claassen) 24 
NC,SC 
NC,SC 
Remenus bilobatus (Needham 
and Claassen) 
X 
NC,SC 
NC,SC 
Yugus arinus (Frison) 
X 
NC,SC 
NC,SC 
Y. bulbosus (Frison) 
X 
NC,SC 
NC,SC 
Y. innubilus (Needham 
and Claassen) 
X 24 
Pteronarcyidae 
Pteronarcys biloba (Newman) 
X 25 
NC,SC 
NC,SC 
P. dorsata (Say) 
X 
SC 
SC 
P. proteus (Newman) 
X 
NC,SC 
NC,SC 
P. scotti (Ricker) 
X 
NC,SC 
NC,SC 
1 Listed by Unzicker and McCaskill (1982) “as likely to occur in North or South Carolina, 
but presence has not yet been confirmed.” 
2 Listed only by Stewart and Stark (1988) in the “Species of Nymphs Examined” and 
a specimen is illustrated from Davie County, North Carolina, Yadkin River. 
