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Immunocytochemical localization of OBPs in placoid sensilla on the antennae of spotted alfalfa aphid.
| Placoid sensilla | Preimmune serum (control) |
Antisera |
||
| OBP6 | OBP7 | OBP8 | ||
| 6th segment placoid | – | +++ | ++ | + |
| 5th segment placoid | – | – | – | – |
| 3th segment placoid | – | ++ | + | + |
–, no significant labeling; +, 10–20 grains/μm2; ++, 20–30 grains/μm2; +++, more than 30 grains/μm2.
