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Bee Protection

Bee Protection ...

Alfalfa Leafcutting Bee (Megachile rotundata) Pests

Alfalfa Leafcutting Bee (Megachile rotundata) Pests Armando Falcon-Brindis, Rogan Tokach and Judy Wu-Smart Latest revision:  March 2024 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, w ...
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Alkali Bee (Nomia melanderi) Pests

Alkali Bee (Nomia melanderi) Pests Armando Falcon-Brindis, Rogan Tokach and Judy Wu-Smart Latest revision:  March 2024 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pestic ...
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Blue Orchard Bee (Osmia lignaria) Pests

Blue Orchard Bee (Osmia lignaria) Pests Andony Melathopoulos Latest revision:  March 2024 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal document ...

Honey Bee Pests

Honey Bee Pests Ramesh Sagili, Carolyn Breece and Walter S. Sheppard Latest revision:  March 2024 In all cases, follow the instructions on the pesticide label. The PNW Insect Management Handbook has no legal status, whereas the pesticide label is a legal ...

How to Reduce Bee Poisoning from Pesticides

How to Reduce Bee Poisoning from Pesticides Andony Melathopoulus and Erik Johansen Latest review: March 2024 Substantial portions of this article are taken from How to Reduce Bee Poisoning from Pesticides (PNW 591), written by Louisa Hooven, Ramesh Sagili ...

Alfalfa leafcutting bee-Chalcid wasp

Alfalfa leafcutting bee-Chalcid wasp Includes Monodontomerus obscurus, M. montivagus, M. osmiae, and Pteromalus venustus Pest description and damage Chalcid wasps (males: 2-3 mm, females: 3-4 mm) are metallic blue or green with red eyes. Female wasps pier ...

Alfalfa leafcutting bee-Chalkbrood (fungal disease)

Alfalfa leafcutting bee-Chalkbrood (fungal disease) Ascosphaera spp. Pest description and damage Chalkbrood is a severe fungal disease caused by different species of Ascosphaera. Problems with chalkbrood are common in both alfalfa leafcutter bees and hone ...

Alfalfa leafcutting bee-Ornate checkered beetle

Alfalfa leafcutting bee-Ornate checkered beetle Trichodes ornatus Pest description and damage As other clerid beetles, the ornate checkered beetle is a parasite of bees. It is about 0.3 to 0.5 inch long and usually has a checkered black and yellow or red ...

Alfalfa leafcutting bee-Sapygid wasp

Alfalfa leafcutting bee-Sapygid wasp Krombeinopyga pumila Pest description and damage Sapygid wasps are tiny and black with yellow markings along the body. The first instar larvae of this wasp-like parasite is only about one tenth the size of the bee egg, ...