- 372 - 
OREGOiT 
The percentages of individuals of 
arranged according to crops infested, are 
Range Percent 
1, Melanoplus mexicanus 52 
2, Camnula pellucida : — • — 14 
3, Arp hi a p, pseudonietana 7 
4, Spharagemon equale 5 
5, Amphitornus coloradus 3 
6, Dissosteira spurcata 3 
7. 6 other species ,apd nymphs — 16 
f 
Alfalfa (legxunes) 
the various species present in Oregon, 
summarized as follows: 
Pitch hank Percent 
1, Melanoplus femur- rubrum 57 
2, ; Capinula pellucida 37 
3, M, bivittatus 4 
4, M, mexicanus 2 
Small grain 
1, Melanoplus femur-rubrum 31 
2, M, mexicanus- — '28 
3, M, bivittatus 18 
4, Phoetaliotes nebrascensis- 6 
5, Trimerotropis p. pallidipennis 5 
6, M, foedus foedus '.5' 
7, 5 other species and nymphs — ' 7 
1, x^ielanoplus mexicanus 39 
'2.' ■’Pissosteira Carolina 28 
3, Camnula pellucida 9 
4, Conozoa wallula 5 
5, M, bivittatus 5 
6, M, foedus foedizs 5 
7, 2 other species 9 
Wild- hay meadow 
1. Camnula pellucida 51- 
2. Melanoplus mexicanus 23 
3. H, femur-rubrum 17 
4. Chortippus longicornis 6 
5. 3 other species and nymphs — - , 3 
Marshland 
1, Melanoplus mexicanus 46 
2, M, femur-rubrum 23 
3, Camnula pellucida 20 
4, Chortippus longicornis 4 
5, Conozoa wallula 2 
6i^ M.i bivittatus 2 
7, 1 other species and nymphs 3 
Grand total Percent 
‘ t r * ! 
; jMelanoplus mexicanus 31 
: 2y i Camnula pellucida- 23 
3; 'M, femur-rubrum- 22 
4, ;M; bivittp,tus 7 
5, C^ortippu^ longicornis 3 
6, 15 Other species and nymphs — 14 
