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Diacamma rugosum, also known as the Bornean queenless ant or Asian bullet ant, is a species of ant of the subfamily Ponerinae. It is found in many countries throughout Southeast Asia. 20 subspecies are recognized. [1] Diacamma rugosum is noted for being one of the only species of ants to completely lack a queen caste.
Egg position in the cell is a good indicator of a laying worker. A queen bee's abdomen is noticeably longer than a worker, allowing a queen to lay an egg at the bottom of the cell. A queen bee will usually lay an egg centered in the cell. Workers cannot reach the bottom of normal depth cells, and will lay eggs on the sides of the cell or off ...
Queen (marked) surrounded by Africanized workers . A queen bee is typically an adult, mated female that lives in a colony or hive of honey bees.With fully developed reproductive organs, the queen is usually the mother of most, if not all, of the bees in the beehive. [1]
Cloake board insertion: The Cloake board is placed between two hive bodies when the queen is known to be in the lower hive body. Because a Cloake board either contains or is used with a queen excluder, the laying queen will be restricted to the lower hive body from this point forward.
Workers of A. florea, like those of the species A. mellifera, also engage in worker policing, a process where nonqueen eggs are removed from the hive. Queenless A. florea colonies have been observed to merge with nearby queen-right A. florea colonies, suggesting workers are attracted to queen bee pheromones. [33]
The design of top-bar hives has its origins in the work done in 1965 by Tredwell and Paterson. [5] A tub shaped top-bar hive was trialled in Rhodesia in the 1960s by Penelope Papadopoulou. [6] Long top-bar hives began to appear in the 1960s and were first referred to as "grecian" hives also known as the "Anástomo" wicker skep. [7]
Well, if you look closely to the video above you might notice the date in which Jack draws the picture Thanks to The Academy Facebook page, we've got a much clearer version below.
Among queenless B. terrestris workers, the corpora allata, which secrete JH, was noticeably enlarged compared to queenright workers. JH concentrations were also higher in the hemolymph of queenless workers. This suggests that the presence of a queen is enough to prevent workers from laying eggs, which helps her maintain genetic control over her ...