Centris pallida are able to withstand very high internal temperatures when compared to other bees. Males regularly have thoracic temperatures of 48 to 49 degrees Celsius (118.4 to 120.2 degrees Fahrenheit). If the thoracic temperature reaches 51 to 52 degrees Celsius (123.8 to 125.6 degrees Fahrenheit), the bee will become paralyzed and die. Most of the cooling occurs when heat radiates off the abdomen. To prevent overheating, C. pallida have a very high thoracic conductance (rate of heat transfer from the thorax to the abdomen) which is 45 percent higher than that of sphinx moths of the same size. Other than this high thoracic conductance, no other mechanism has been found to help the bee reduce its internal temperature. C. pallida do not appear to have evaporative cooling in the wild as honey bees and bumblebees do.
« DuProprio ne donne pas l'encadrement complet de protection du consommateur, a soutenu Carole Poirier, candidate du PQ dans Hochelaga-Maisonneuve. La Loi sur le courtage a mis en place un encadrement. Mais certains ont réussi à se faufiler à l'extérieur des mailles de cette loi. Il va falloir faire en sorte de protéger le consommateur, l'acheteur et aussi le vendeur. La révision de cette loi est absolument nécessaire. »
DuProprio, qui affirme aujourd'hui détenir 20 % du marché de la revente, exige des frais fixes de 700 à 1500 $ pour ses services de publicité, et non pas une commission payable à la vente comme les courtiers. Le consommateur économise ainsi plusieurs milliers de dollars s'il réussit à vendre sa maison avec DuProprio. Les courtiers sont embêtés par cette concurrence.
Centris pallida serve numerous roles for the environment. Like most other bees, they are essential for pollination. Specifically, they pollinate cacti, desert willow, and palo verde. The tunneling ability of these bees aerates the soil, and this allows water from rain to reach plant roots quickly. Their nitrogen rich feces fertilizes the soil. Their stings are mild, so they are not dangerous. The only downside with respect to humans is that their burrowing can leave unsightly mounds. If an area has a large density of burrowing females, then these mounds can be quite noticeable and are difficult to get rid of.
“The number of condominiums for sale in the Greater Montréal area fell by about 22% in May. A drop like this has not been seen in nearly 15 years,” said Mathieu Cousineau, President of the GMREB Board of Directors. “With strong demand and a decrease in supply, as we have been seeing for several months now, the condominium segment – against all expectations – is on the verge of moving into a seller’s market too,” added Mr. Cousineau.
Four varieties of bacteria have been found in the bee bread of the larva: Bacillus circulans, B. coagulans, B. firmus, and B. megaterium. Only the Bacillus genus has been found in the samples taken. Together, these four species were able to hydrolyze starch, ferment glucose, convert nitrates to nitrites, and produce dihydroxyacetone from glycerol. This group of bacteria also lowers the pH of the bee bread. These functions serve not only to protect the larva from other bacteria, but they also digest complex molecules which allow the larva to easily absorb nutrients without expending a lot of energy. The bacteria, in turn, receive a supply of food which results in a mutualistic relationship.