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Scale and Mealybug Biocontrols
Release rates Aphytis
| Release Rates for Aphytis — Legend | Menu |
| Classification |
Release information |
| Prevent |
4-6/yd, mnthly, as needed. |
| Low |
16-24/yd, bi-wkly, 3-4 times. |
| Med |
18-36/yd, bi-wkly, 3-4 times. |
| High |
24-48/yd, weekly, 3-5 times. |
| Maint |
5-9/yd, mnthly, indef. |
| Garden |
40-65% of rates listed. |
| Acre + |
15-45% of rates listed. |
| Comments |
These parasitoids will “dance” on host scales they like. If they sniff and leave success will be unlikely. |
Release rates Cryptolaemus
| Release Rates for Cryptolaemus — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
2-4/yd, tri-wkly, 2-3 times. |
| Med |
4-6/yd, bi-wkly, 2-3 times. |
| High |
6-8/yd, bi-wkly, 2-4 times. |
| Maint |
2-3/yd, mnthly, indef. |
| Garden |
20-60% of rates listed. |
| Acre + |
3-20% of rates listed. |
| Comments |
Excellent for use outdoors in southern orchards and elsewhere in interiorscapes and greenhouses. |
Release rates Leptomastix
| Release Rates for Leptomastix — Legend | Menu |
| Classification |
Release information |
| Prevent |
1/yd, bi-mnthly, as needed. |
| Low |
2-3/yd, mnthly, 2-3 times. |
| Med |
2-3/yd, tri-wkly, 2-3 times. |
| High |
3-4/yd, bi-wkly, 2-4 times. |
| Maint |
1-2/yd, bi-mnthly, indef. |
| Garden |
40-60% of rates listed. |
| Acre + |
10-20% of rates listed. |
| Comments |
Suitable for use outdoors in southern locations only. The rates listed are experimental. |
Release rates Harmonia
| Release Rates for Harmonia — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
1-2/yd, tri-wkly, 2-3 times. |
| Med |
2-3/yd, tri-wkly, 2-3 times. |
| High |
3-4/yd, bi-wkly, 2-3 times. |
| Maint |
1-2/yd, mnthly, indef. |
| Garden |
60-85% of rates listed. |
| Acre + |
10-35% of rates listed. |
| Comments |
There is no commercial availability, but domestically-collected beetles work great. Release at night or in the dark. |
Release rates Rhyzobius
| Release Rates for Rhyzobius — Legend | Menu |
| Classification |
Release information |
| Prevent |
Not suitable for use in this rate class. |
| Low |
2-4/yd, tri-wkly, 2-3 times. |
| Med |
4-5/yd, tri-wkly, 2-3 times. |
| High |
5-7/yd, tri-wkly, 2-3 times. |
| Maint |
1-2/yd, bi-mnthly, indef. |
| Garden |
35-55% of rates listed. |
| Acre + |
5-20% of rates listed. |
| Comments |
Excellent for use outdoors in southern orchards and elsewhere in interiorscapes and greenhouses. |
Release rates Cybocephalus
| Release Rates for Cybocephalus — Legend | Menu |
| Classification |
Release information |
| Prevent |
2-6/yd, bi-qrtly, as needed |
| Low |
10-15/yd, bi-qrtly, 1-2 times. |
| Med |
15-20/yd, bi-qrtly, 1-3 times. |
| High |
20-30/yd, bi-qrtly, 1-3 times. |
| Maint |
20-30/yd, annually, indef. |
| Garden |
80-90% of rates listed. |
| Acre + |
70-85% of rates listed. |
| Comments |
Allow several seasons for this slow-acting beetle to show off what it can do. |
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