Inspection

How to Inspect a Hive Safely

How to Inspect a Hive Safely

An inspection is not a visit. It is a procedure with a purpose, and the difference between a good one and a bad one is preparation. A well-run inspection takes fifteen minutes, tells you everything you need to know, and leaves the colony settled. A bad one takes forty, tells you nothing, and sets the colony back a week.

When to inspect — and when not to

Timing matters more than technique. Bees are calmest on a warm, still, bright day in the middle of the day, when a large proportion of the foragers are out of the hive.

ConditionVerdictWhy
Warm, still, sunnyIdealForagers are out; colony is calm and workable
Below 15 °CAvoidBrood chills; bees are clustered and defensive
WindyAvoidColony is agitated; frames are hard to handle
Rain or about to rainAvoidBees are home, irritable, and cold
Late eveningAvoidAll foragers home — maximum population in the box
Dearth or robbingCautionKeep it short; do not spill honey
Never inspect in a dearth without care

During a nectar dearth, robbing pressure is high. An open hive broadcasts the smell of honey across the apiary. Work fast, keep frames covered, and do not leave comb exposed.

Preparation: five minutes that save twenty

  1. Check your kit. Suit, veil, gloves, hive tool, smoker fuel and a lighter. A missing hive tool means going back to the house with the hive open.
  2. Light the smoker five minutes early. You want a coal bed and cool white smoke, not a flame.
  3. Have somewhere to put frames. An empty box beside the hive, or a spare lid, so you are not holding a frame in one hand.
  4. Read your last entry. Knowing what you saw last time is half of what you will see today.
  5. Approach from the side, not the front. Standing in the flight path irritates bees and blocks foragers.

The inspection sequence

Work through the same steps in the same order every time. Consistency is what makes your records comparable and your handling calm.

Observe from outside

Before you touch anything, stand back and watch the entrance for thirty seconds. Are bees flying purposefully? Is there pollen coming in? Are there dead bees, fighting, or wax crumbs on the landing board? A great deal is visible without opening the hive.

Smoke the entrance

Two or three gentle puffs at the entrance, then wait thirty seconds. Do not flood the hive. The point is to interrupt alarm signalling, not to fumigate.

Open the lid and smoke the top bars

Lift the outer cover, set it upside down beside you, and give a light puff across the top bars. Wait a moment for the bees to move down.

Remove the first frame

The outermost frame is usually stores with few bees. Lift it out with the frame grip and set it aside. This creates the space you need to work the rest without rolling bees.

Work inwards, frame by frame

Lift each frame vertically, hold it over the hive, and look at both faces. Keep the frame vertical — tilting it spills nectar and can break new comb. Work towards the brood nest.

Read the brood pattern

This is the single most informative thing in the hive. A good pattern is a solid, compact area of capped brood with few gaps. A scattered pattern with many empty cells suggests a failing queen or disease.

Look for the queen or fresh eggs

You do not need to see the queen every time. Fresh eggs — tiny white grains standing upright in the base of cells — prove she was there within three days. That is often enough.

Check for queen cells

Look along the bottom bars and in the gaps. Queen cells mean swarming or supersedure, and the decision window is short. Count them and note where they are.

Assess stores

Estimate frames of honey and pollen. Heft the hive if you have a scale. A colony with no stores in a dearth is a colony you will be feeding this week.

Reassemble and record

Put frames back in the same order and position — bees remember comb layout. Close up, then write your notes before you walk away.

Read the brood pattern before you look for anything else. It tells you more than the queen does.
Read the brood pattern before you look for anything else. It tells you more than the queen does.

What you are actually looking for

Brood pattern

Score it. A simple 1 to 5 scale, recorded every inspection, turns a vague impression into a trend you can act on. A pattern that drops from 5 to 3 between visits is information; "looked a bit patchy" is not.

Queen cells

  • Swarm cells: usually along the bottom bars, often ten or more, in various stages.
  • Supersedure cells: on the face of the comb, usually one to three, larger and more ragged.
  • Emergency cells: many cells built from worker larvae after the queen is lost. Smaller, scattered, from modified worker cells.

Disease and pest signs

  • Sunken, perforated or discoloured cappings — possible foulbrood. Report suspected cases.
  • Chalkbrood: hard white or grey mummies on the floor and in cells.
  • Wax moth: webbing and tunnelling through comb, especially in weak colonies.
  • Small hive beetle: small dark beetles and slimed comb in warm, humid climates.
  • Mites on bees: visible phoretic mites on adult bee abdomens, though absence proves nothing.

Closing up properly

Put the frames back in the order they came out. Bees build their nest in a specific arrangement, and reversing frames disrupts the colony's thermal organisation, particularly in the brood nest.

Squeeze the boxes back together squarely, replace the lid, and reduce the entrance if the colony is small or robbing is likely. Then write your notes. Do it now, standing at the hive, not in the evening when the details have faded.

The sign of a good inspection

The colony is quieter when you close it than when you opened it. If bees are boiling out of the box and following you across the apiary, you went too fast, used too much smoke, or handled frames roughly.

Maren Tolhurst

Maren kept bees for eleven years across three climates before she started writing about it. She is interested in the unglamorous half of beekeeping: records, thresholds and winter.