Here we compare pollination effectiveness, visit frequency and pollen foraging behaviour between female and male individuals of a mining bee, Andrena emeishanica, visiting a nectariferous spring flower (Epimedium pubescens). Female bees were observed to forage for both pollen and nectar, but male ...
49,50 Workers usually do not mate, so they lack the potential for laying female eggs, but ovarian development could be indicative of an ability to lay male eggs. Dominance hierarchies are also known in bumblebees and in some ant species that have small colonies.51 Body size differences can...
K. et al. Patterns of conservation and change in honey bee developmental genes. Genome Res. 16, 1376–1384 (2006). 51. Bopp, D., Schutt, C., Puro, J., Huang, H. & Nothiger, R. Recombination and disjunction in female germ cells of Drosophila depend on the germline activity of ...
the main component of the mandibular gland secretion), reaching a maximum between 5- and 8-day-old queens [69]. Hydroxy- and oxo-acids may, thus, be candidates for further studies on female sex pheromone in bumblebees. According to Krieger et al. [68], testing a mixture of the ...
Also ranks #9 on The Greatest Female Boxers of All Time Dig Deeper Famous Lesbian Athletes Also ranks #41 on Who Is The Most Famous Martin In The World? 70 Naseem Hamed Age: 50 374 votes Naseem Hamed (Arabic: نسيم حميد; born 12 February 1974), commonly known...
This study was planned to compare career self-efficacy beliefs in high school male and female students.Materials and Methods: This comparative study was performed in high school students of Fars province, south-western part of Iran. Participants included 1833 high school students (1007 females and ...
the so-called beewolves (comprising (Philanthus+Trachypus) +Philanthinus,withTrachypusmost probably being a subgenus ofPhilanthus[32,33]). The members of the subfamily largely share basic life-history characters, in particular with regard to female nesting behavior (e.g. [34–40]) and male...
(sperm viability vs. number of sperm with 2–4 days before ejaculation as the critical thermal window) two-trait models were used. These were setup using MCMCglmm v.2.2986with the same error distributions as the single-trait models. For female gametic traits, models were run for 5,000,000...
摘要: This study investigates the effect of advertising with physically attractive models on male and female adolescents. The findings suggest that highly attractive models are less effective than those who are normally attractive. Implications of social comparison are discussed....
Two studies carried out in Switzerland examined different explanations forthe "Queen Bee (QB)-phenomenon." In Study 1 (N = 315), female managers(vs. subordinates) identied with successful women and supported measuresthat would benet thes... K Faniko,N Ellemers,B Derks - 《European Journal...