Mineral iron affects the development of mandibular gland in Apis mellifera

Author(s):  
Daniel C. B. de Barros ◽  
Alex Junji Shinohara ◽  
Marcelo P. Camilli ◽  
Sérgio A. A. Santos ◽  
Luis A. Justulin ◽  
...  
1991 ◽  
Vol 29 (5) ◽  
pp. 321-332 ◽  
Author(s):  
Ken Naumann ◽  
Mark L. Winston ◽  
Keith N. Slessor ◽  
Glenn D. Prestwich ◽  
Francis X. Webster

1992 ◽  
Vol 124 (2) ◽  
pp. 409-418 ◽  
Author(s):  
Heather A. Higo ◽  
Simon J. Colley ◽  
Mark L. Winston ◽  
Keith N. Slessor

AbstractWe investigated the effects of synthetic honey bee (Apis mellifera L.) queen mandibular gland pheromone on colony foraging and brood rearing. Colonies newly established in the spring showed a significant, dose-dependent increase in the number of foragers gathering pollen, and individual pollen foragers returned to the nest with larger pollen loads. These two effects combined resulted in a doubling of the amount of pollen brought into colonies by foraging bees. Brood rearing also increased, but not significantly. In contrast, large, established colonies showed no effects at their summer population peak. We conclude that queen mandibular pheromone can significantly affect foraging, but its effects depend on colony conditions and environmental factors.


Apidologie ◽  
2018 ◽  
Vol 49 (4) ◽  
pp. 450-458 ◽  
Author(s):  
Antje Jarosch-Perlow ◽  
Abdullahi A. Yusuf ◽  
Christian W. W. Pirk ◽  
Robin M. Crewe ◽  
Robin F. A. Moritz

2008 ◽  
Vol 62 (9) ◽  
pp. 1523-1531 ◽  
Author(s):  
Katrin Strauss ◽  
Holger Scharpenberg ◽  
Robin M. Crewe ◽  
Felix Glahn ◽  
Heidi Foth ◽  
...  

2004 ◽  
Vol 64 (3b) ◽  
pp. 691-695 ◽  
Author(s):  
H. C. Salles ◽  
C. Cruz-Landim

Insect mandibular glands are exocrine organs that produce chemical substances known as pheromones that play an important role in intra-specific communication of insects. The mandibular glands of Apis mellifera, which are more highly developed in queens than in workers, present caste-specific polymorphism which seems to be regulated by the juvenile hormone (JH). These glands develop at the pupation stage, during which the titer of JH is higher in queens. In spite of this observation, application recounted here of juvenile hormone on 5th-instar workers' larvae of Apis mellifera did not produce a significant effect on the size of the mandibular glands. Therefore, we may conclude that the response of insect organs to the exogenous application of JH varies according to the type of organ, its developmental program, and its developmental stage, as well as to the amount of hormone applied.


2002 ◽  
Vol 49 (1) ◽  
pp. 86-91 ◽  
Author(s):  
R. F. A. Moritz ◽  
R. M. Crewe ◽  
H. R. Hepburn

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