TABLE 5. — Summary of food organisms found in f. 
adicates that a particular family of food organisms 
ae stomach of the indicated species of darter. 
‘iptera 
' Chironomidae 
Psectrocladius spp. 
Psectrocladius nigrus 
Pentaneura spp. 
Tanytarsus spp. (larvae) 
(pupae) 
Chironomus (Dicrotendipes) spp. 
Chironomus (Dicrotendipes) nervosus 
Orthocladius spp. 
Orthocladius thienemanni (?) 
Polypedilum spp. 
Chironomini (pupae) 
Simuliidae 
Ceratopogonidae 
Rhagionidae 
Anthomyiidae 
Ephydridae? 
yhemeroptera 
Baetidae 
Neocloeon alamance 
Ameletus ludens 
Baetis spp. 
Heptageniidae 
Heptagenia marginalis 
Stenonema spp. 
Heptagenia spp. 
Caenidae 
Caenis spp. 
Tricorythodes spp. 
Ephemeridae 
| Hexagenia limbata 
ichoptera 
dydropsychidae 
| Potamyia flava 
Misc. “case builders” 
coptera 
erlidae 
Neoperla clymene (?) 
‘eoptera 
‘lmidae 
Stenelmis vittipennis 
Taliplidae 
niptera 
Totonectidae 
onata 
ygoptera 
tropoda 
incylidae 
| -Ferrissia spp. 
stacea 
‘opepoda 
ladocera 
Istracoda 
embola 
€s eggs 
cta eggs 
: 
it material 
our species of Percina from the Kaskaskia River in Illinois. 
An X indicates that a particular species was 
was eaten. 
P. maculata 
ect at thc pe ome: 
2 oF 
MM ts M+: 
+++ 
2 
The + symbol 
identified from 
P. phoxocephala 
Mee: Mt fi tl +: Mx: 
at -7 
m+: 
+h+ 
P. caprodes 
me: 
Mt Mt 5 + MMMM FIM OF er 4: 
~+ 
D+ 
P. shumardi 
~ + 
es Pek peers eee 
st PGs Ge bea 
i et 
S++ 
