Psylliodes punctulatus
Pest description and crop damage Adults are about 0.083 (1/12) inch long, metallic black beetles, that when disturbed jump like a flea. Adults feed on leaves primarily in the spring causing shothole damage. Severe infestations can defoliate plants.
Management-chemical control
- azadirachtin (Several listed)-see listed rate. Only affective on immature stages larvae. Some formulations suggest an adjuvant be added for better results. Some formulations are OMRI-listed for organic use.
- beta-cyfluthrin (Sultrus, Baythroid XL, Leverage 360) at 0.025 lb ai/A. Maximum sessional total 0.125 lb ai/A (beta-cyfluthrin), 0.25 lb ai/A (cyfluthrin). Group 3A insecticide.
- cyfluthrin (Tombstone, Tombstone Helios) at 0.025 lb ai/A. PHI 7 days. REI 12 hr. Do not apply more than five times per crop season. Do not apply more than 0.125 lb ai/A per season of any formulation of cyfluthrin. Allow at least 14 days between applications. Group 3A insecticide.
- pyrethrins/azadirachtin (Azera) at 0.013 to 0.0044 lb ai/A azadirachtin/0.014 to 0.048 lb ai/A pyrethrins. PHI 0 days. REI 12 hr. Apply when pest populations first appear. Reapply every 5 to 7 days as needed up to 10 times per season. Do not apply more than 0.050 lb ai/A pyrethrins per season. Some formulations are OMRI-listed for organic use. Group 3A insecticide.