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ILLINOIS 
The percentages of individuals of the various ^ecies present in Illinois, 
arranged according to crops infested, are summarized as follows: 
Small grain ■ Percent 
1. Melanoplus femur-ruhrum — — 23 
2. Melanoplus mexlcanus-—^- — ’ 15 
3. Tettigoniidae 13 
4. Melanopl^is differentialis— — 4 
5. Chortophaga virid'.fasciata— — ~ 2 
6. 14 other species 3 
7. Nymphs ^ 40 
Pasture 
1 . Melanoplus femur-ruhrim ^ — 2l 
2. Tettigoniidae 14 
3. Melanoplus mexicanus — 5 
4. Orphulella speciosa •' — 5 
5. Syrhula admirahilis 2 
6. 15 other species 5 
7. Nymphs 48 
Idle land 
1. Tettigoniidae 19 
2. Melanoplus differentialis- 6 
3. Melanoplus femur-ruhrum— — - — ~ 5 
4. Melanoplus mexicanus — 5 
5. Melanoplus angustipennis 3 
6. 20 other species — 15 
7. Nymphs 47 
Boadside Percent 
1. Tettigoniidae — — 21 
2. Melanoplus feraur-ruhrum— — 14 
3. Melanoplus mexicanus 7 
4. Chortophaga viridifasciata — 5 
5. Syrhula admirahilis- — - 3 
6. 16 other species 16 
7. Nymphs- 1 — 34 
Legumes 
1. Melanoplus feraur-ruhrum-- 25 
2. Tettigoniidae — 15 
3. Melanoplus differentialis — - 14 
4. Melanoplus mexicanus 6 
5. Syrhula admirahilis 1 
6. 13 other species 2 
7. Nymphs- 37 
Tame hay 
1. Melanoplus femur-ruhrum 52 
2. Tettigoniidae-- — - 14 
3. Melanoplus mexicanus 7 
4. Melanoplus differentialis- — 2 
5. Syrhula admirahilis 2 
6. 8 other species 3 
7. Nymphs 20 
Grand total Percent 
1. Melanoplus femur-ruhrum 22 
2. Tettigoniidae 15 
3. Melanoplus mexicanus 7 
4. Melanoplus differentialis 6 
5. Orphulella speciosa — 2 
6. 25 other species 8 
7. Nymphs 40 
