Table 4
Aphid predators observed during the N52 transects.
Prédateurs de pucerons observés durant les transects N52.
| Plant observed | Nb of transects | Aphid predator species observed | Average adult predator/transect (min-max) | Average predator preimaginal instar per transect (min-max) | Average YSA colonies observed (min-max) |
|---|---|---|---|---|---|
| Tithonia diversifolia N52 | 4 | Exochomus concavus | 1.50 (0-5) | – | |
| Scymnus suturalis* | 0.50 (0-2) | – | |||
| Scymnus frontalis | 0.25 (0-1) | – | |||
| Cheilomenes lunata | 0.25 (0-1) | – | |||
| Cheilomenes sulphurea | 0.50 (0-2) | – | |||
| Cheilomenes propinqua | 0.50 (0-2) | – | |||
| Chilocorus sp. | 0.25 (0-1) | – | |||
| Ischiodon aegyptius* | 0.50 (0-2) | – | |||
| Syritta sp.* | 1.75 (0-6) | – | |||
| Eristalis sp. | 0.25 (0-1) | – | |||
| Condostylus sp.* | 37.75 (8-64) | – | |||
| Paederus littoralis | 0.25 (0-1) | – | |||
| Mantis religiosa | 0.25 (0-1) | – | |||
| Total | 44.50 (11-78) | – | |||
| Sugarcane field N52 (Closest side to Tithonia) | 4 | Scymnus suturalis* | 0.25 (0-1) | 0.50 (0-2) | 3.50 (0-13) |
| Syritta sp.* | 0.50 (0-2) | – | |||
| Mesembrius sp. | 0.25 (0-1) | – | |||
| Condostylus sp.* | 24.00 (2-35) | – | |||
| Total | 25 (2-36) | 0.50 (0-2) | |||
| Sugarcane field N52 (Farthest side to Tithonia) | 4 | Parexochomus nigromaticulus | 0.25 (0-1) | – | 63.75 (23-143) |
| Hippodamia variegata | 0.25 (0-1) | 0.50 (0-2) | |||
| Scymnus suturalis* | 0.25 (0-1) | 7.25 (0-29) | |||
| Cryptolaemus montrouzieri | 0.25 (0-1) | – | |||
| Ischiodon aegyptius* | – | 1.00 (0-4) | |||
| Chrysoperla rufilabris | – | 0.25 (0-1) | |||
| Condostylus sp.* | 1.75 (1-3) | – | |||
| Total | 2.75 (1-6) | 9.00 (0-30) |
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