A hive Shim equipped with wire mesh serves two critical mechanical functions: it creates vertical clearance for solid food and provides structural support to keep that food accessible. Without this apparatus, beekeepers cannot safely introduce the solid candy blocks required for survival when extreme cold renders liquid syrup usage impossible.
The Shim acts as an emergency expansion joint, allowing the introduction of solid carbohydrates without disrupting the colony's cluster. The mesh ensures this fuel source remains suspended above the bees, preventing hive blockages while granting the colony direct, safe access to food during freezing temperatures.
Overcoming the Winter Feeding Gap
The Limitations of Liquid Feed
In temperate seasons, liquid syrup is the standard for supplementation. As noted in standard practices, wooden covers with center holes allow for inverted glass feeders, delivering syrup slowly via gravity.
The Shift to Solid Supplements
However, in mid-winter, liquid feed becomes viable to freeze or too cold for bees to metabolize. The primary reference dictates that when extreme cold makes liquid stores inaccessible, solid candy blocks become the vital energy source.
The Space Problem
Standard hives are designed with precise "bee space" to discourage comb building in unwanted areas. This leaves no room between the top bars and the inner cover to place a large block of solid candy.
The Mechanics of the Shim
Creating Essential Headspace
The Shim addresses the spacing issue immediately. It acts as a spacer rim, elevating the inner cover to create a cavity above the frames.
Accommodating Bulk Food
This added height allows the beekeeper to place substantial candy blocks directly over the cluster. This ensures the food is physically inside the hive envelope, accessible even when the bees cannot break their cluster to forage for stored honey at the edges of the hive.
The Critical Role of Wire Mesh
Preventing Hive Obstruction
The wire mesh lining is not merely a shelf; it is a safety mechanism. Without mesh, as the bees consume the candy or as temperatures fluctuate, chunks of solid food could detach.
Avoiding Colony Collapse
If solid candy falls, it drops into the "bee space" between frames. This causes blockages that can trap bees, crush them, or separate the cluster, potentially leading to colony death.
Facilitating Access
The fine wire mesh provides a textured surface that allows bees to climb upward easily. It holds the food securely above them, allowing them to feed from underneath without the risk of the ceiling falling in on them.
Understanding the Trade-offs
Specificity of Use
The Shim and mesh system is a specialized tool for solid feed during cold snaps. It is not a replacement for the year-round utility of liquid feeders.
Liquid vs. Solid Delivery
While wooden covers with center holes are essential for minimizing disturbance during liquid feeding, they do not solve the issue of space for solids. Conversely, a Shim is unnecessary and potentially counterproductive during warm flows when bees might build "burr comb" in the extra space provided.
Making the Right Choice for Your Goal
Selecting the correct feeding apparatus depends entirely on the season and the state of your colony's stores.
- If your primary focus is Mid-Winter Survival: Install a Shim with wire mesh to safely suspend solid candy blocks above the cluster without risking blockages.
- If your primary focus is Spring/Fall Maintenance: Utilize a wooden cover with a center hole to deliver liquid syrup via inverted glass feeders without opening the hive.
By matching the equipment to the temperature, you ensure your colony has access to the right type of energy when they need it most.
Summary Table:
| Feature | Function in Winter Feeding | Impact on Colony Health |
|---|---|---|
| Vertical Shim | Creates headspace for solid candy blocks | Prevents crushing bees and cluster disruption |
| Wire Mesh | Suspends food above the bee cluster | Prevents hive blockages and accidental bee entrapment |
| Solid Candy | Provides high-energy, non-freezing fuel | Ensures metabolic heat when liquid syrup is unusable |
| Accessible Height | Keeps food within the heat envelope | Allows feeding without breaking the cluster in extreme cold |
Secure Your Apiary’s Success with HONESTBEE
Surviving winter requires the right tools and precision engineering. At HONESTBEE, we specialize in supporting commercial apiaries and distributors with a comprehensive range of professional beekeeping solutions. From high-quality hive-making machinery and honey-filling systems to essential consumables like specialized Shims and hardware, our portfolio is designed to maximize your efficiency and colony health.
Whether you are scaling a commercial operation or stocking the latest tools for your distribution network, HONESTBEE delivers the durability and innovation you need. Contact us today to discuss our wholesale offerings and discover how our expertise can strengthen your beekeeping business.
References
- Ashley L. St. Clair, Adam G. Dolezal. Honey bee hive covers reduce food consumption and colony mortality during overwintering. DOI: 10.1371/journal.pone.0266219
This article is also based on technical information from HonestBee Knowledge Base .
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