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Stem nesting bee plugs
Practice identifying nest plugs from stem-nesting bees
18
Biology
Not Applicable
06/14/2018

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Term
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Definition
Cellophane

Cellophane plugs are generally a flat film, will never have debris stuck in and will tear like tissue paper if you poke them with a stiff blade of grass. They generally occur in the smallest two hole sizes. Cellophane plugs may be confused with spider webs or resin plugs. However, they are not stringy or sticky like spider webs or rock-hard or sticky like resin plugs.
Term
[image]
Definition
Cellophane

Cellophane plugs are generally a flat film, will never have debris stuck in and will tear like tissue paper if you poke them with a stiff blade of grass. They generally occur in the smallest two hole sizes. Cellophane plugs may be confused with spider webs or resin plugs. However, they are not stringy or sticky like spider webs or rock-hard or sticky like resin plugs.
Term
[image]
Definition
Cellophane

Cellophane plugs are generally a flat film, will never have debris stuck in and will tear like tissue paper if you poke them with a stiff blade of grass. They generally occur in the smallest two hole sizes. Cellophane plugs may be confused with spider webs or resin plugs. However, they are not stringy or sticky like spider webs or rock-hard or sticky like resin plugs.
Term
[image]
Definition
Chewed vegetation

These plugs frequently start green fade to brown as they get older, when they may be confused with mud plugs. The texture is fibrous and debris may be worked in with the vegetation. Chewed leaf plugs may look like home-made paper or thick and greenish papier mache. When older they frequently dry away from the side of the hole, though remaining full plugs.
Term
[image]
Definition
Chewed vegetation

These plugs frequently start green fade to brown as they get older, when they may be confused with mud plugs. The texture is fibrous and debris may be worked in with the vegetation. Chewed leaf plugs may look like home-made paper or thick and greenish papier mache. When older they frequently dry away from the side of the hole, though remaining full plugs.
Term
[image]
Definition
Chewed vegetation

These plugs frequently start green fade to brown as they get older, when they may be confused with mud plugs. The texture is fibrous and debris may be worked in with the vegetation. Chewed leaf plugs may look like home-made paper or thick and greenish papier mache. When older they frequently dry away from the side of the hole, though remaining full plugs.
Term
[image]
Definition
Chewed vegetation on the right, mud or sand on the left
Term
[image]
Definition
Plant fiber-cotton

These plugs will look like little cotton balls stuffed in the holes. Some bees scrape off fibers from plant leaves like lamb’s ear and stuff them in their nest holes. There may be debris stuck to the plug. They may get matted if wet, but are not stringy like spider webs.
Term
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Definition
Grass

The grass may be completely stuffed inside the hole or sticking out.
Term
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Definition
Grass

The grass may be completely stuffed inside the hole or sticking out.
Term
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Definition
Chewed vegetation on top (notice leaf pieces) and mud or sand in the lower hole
Term
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Definition
Mud or sand

The surface can be smooth or rough and it may have stones or fibers worked into it. Plugs can be brown or grey or sandy depending on the soil in your area. These can be similar to chewed leaf plugs but are never green and have a more cement-like or packed earth quality to them. The plugs are solid, so if debris is present, it will not shift when you poke it.
Term
[image]
Definition
Mud or sand

The surface can be smooth or rough and it may have stones or fibers worked into it. Plugs can be brown or grey or sandy depending on the soil in your area. These can be similar to chewed leaf plugs but are never green and have a more cement-like or packed earth quality to them. The plugs are solid, so if debris is present, it will not shift when you poke it.
Term
[image]
Definition
Mud or sand

The surface can be smooth or rough and it may have stones or fibers worked into it. Plugs can be brown or grey or sandy depending on the soil in your area. These can be similar to chewed leaf plugs but are never green and have a more cement-like or packed earth quality to them. The plugs are solid, so if debris is present, it will not shift when you poke it.
Term
[image]
Definition
Resin

Resin may be opaque white, reddish or yellowish and may have debris worked into it. When resin plugs are fresh they are sticky; when they dry they are hard and may look crystalline. This is a very common plug type in our blocks and occurs mainly in the smaller holes. Lighter ones may look like cellophane but are either tacky or rock hard if you touch them with a tiny twig or stiff blade of grass. These plugs may also be confused with loose debris, but debris in resin plugs will not move if touched.
Term
[image]
Definition
Resin

Resin may be opaque white, reddish or yellowish and may have debris worked into it. When resin plugs are fresh they are sticky; when they dry they are hard and may look crystalline. This is a very common plug type in our blocks and occurs mainly in the smaller holes. Lighter ones may look like cellophane but are either tacky or rock hard if you touch them with a tiny twig or stiff blade of grass. These plugs may also be confused with loose debris, but debris in resin plugs will not move if touched.
Term
[image]
Definition
Whole Leaf
Term
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Definition
Whole Leaf
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