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Langstroth

 

Langstroth and Jumbo Langstroth

In 1853 the Rev. L. L. Langstroth of Philadelphia, USA, first described this hive in his book ‘The Hive and the Honeybee’. The essential feature was the systematic adoption of the principal of bee space whereby a gap around the framed combs of 3/16” to 3/8” would prevent the frames from becoming attached to the hive walls. A wider gap would be filled with brace comb and a narrower gap would be filled with propolis. Thus the moveable frame hive was initiated and the principal is still essential in modern hive design. Today the Langstroth hive is probably the most widely used hive around the world, and popular with commercial beekeepers in the UK.

The Langstroth hive is a rectangular, single wall design of external dimensions 20” x 16¼” with 10 short-lugged frames (⅝“ lugs) resting in rebates on the narrow sides.  Top bee space is usually adopted.

HIVE DATA LANGSTROTH JUMBO LANGSTROTH DADANT
Brood frame 17 9/16″ x 9⅛” 17 9/16″ x 11¼” 17 9/16″ x 11¼”
Super frame 17 9/16″ x 5⅜” 17 9/16″ x 5⅜” 17 9/16″ x 6¼”
Frames / brood box 10 10 11
Cells / brood box 61,000 85,000 93,000
Lug length ⅝” ⅝” ⅝”

Cross section of a top beespace hiveThe number of cells available in a single brood chamber is approx. 61,000 making this hive suitable for large colonies, but for prolific colonies a deeper ‘Jumbo’ version is available with approx. 85,000 cells.

The diagram shows a cross section of a top bee space hive with one bee space between frame sides and hive wall, under lugs and above frames.  The bees naturally leave two bee spaces between brood frames so they can work on the frames back to back.
Thus the spacing of frames is also critical, normally 1⅜” (35mm) centre to centre in brood chambers.
Spacing in supers can be varied to suit the conditions, plus the bees usually leave one bee space between adjacent capped frames.

 

 

News & Events

Outbreak of EFB reported
An outbreak of EFB has been reported by one of our members about ‘5km east of Hawkchurch’. If you live in the area and are not yet on BeeBase we would recommend you go to the BeeBase website as soon as possible to register. This will ensure you are informed of any threats in your area.
World’s largest bumblebee under threat.
The Patagonian bumblebee, the worlds largest bumblebee, is under threat from the import of species native to Europe.The growth of the bumblebee trade for agricultural pollination since the 1980s has been identified as one of the top emerging environmental issues likely to affect global diversity.Follow this link to read the article.
Best plants for bees: 5 yr study results by RosyBee
Follow the link to see the results of 5 years of monitoring which bees visit a variety of ‘bee-friendly’ plants.
http://www.rosybee.com/research
What’s that Buzz? Plants hear when bees are coming
New research has shown that plants can ‘hear’ sounds around them and flowers respond to the buzz of approaching bees by producing sweeter nectar. The research biologists from Tel Aviv University played recordings of flying bee sounds to evening primrose flowers and found that after a few minutes the sugar concentration in the flower’s nectar had increased by 20% on average when compared with flowers left in silence or submitted to higher pitched sounds.
The authors of the report say that, for the first time, they have shown plants can rapidly respond to pollinator sounds in an ecologically relevant way.
Producing sweeter nectar in response to the sounds of bees can help entice the insects to visit the flowers and increase the chances of its pollen being distributed.
Thanks to Ann P. for spotting this article in the Times.
Scientists sew trackers to Asian Hornets to find and destroy nests before they kill honeybees
Britain’s beekeepers are turning to technology to prevent aggressive Asian hornets destroying their colonies. In a first successful trial, experts at the University of Exeter attached tracking devices to the backs of the voracious hornets and then followed them back to their nests.
Asian hornet information
The June edition of the BBKA News has extensive information about the Asian hornet threat. In particular, pages 209 and 210 have full colour reproductions of the Asian hornet alert document issued by the Non Native Species Secretariat (NNSS) for you to cut out and use as your personal guide to identification of this invasive species.