Along with bumble bee queens, carpenter bees (genus Xylocopa) are the largest native bees in the United States.    From Wordnik.com.  [Carpenter bee] Reference

Large, female bees, often carpenter bees (Xylocopa spp.), land on the hood to collect sterile pollen from the inside of the hood (Fig. 3).    From Wordnik.com.  [Brazil nut family (Lecythidaceae) in the New World] Reference

Some species, like the eastern Xylocopa virginica, occasionally take up residence in fence posts or structural timbers, especially redwood, and become a minor nuisance.    From Wordnik.com.  [Carpenter bee] Reference

But it is particularly from the character of the head that the amateur observer of the perforators may soon learn to distinguish between a Xylocopa and a Bombus as they work among the flowers.    From Wordnik.com.  [Scientific American Supplement, No. 841, February 13, 1892] Reference

Bees documented to enter the flower are robust bees of the genera Bombus, Centris, Epicharis, Eulaema, and Xylocopa which are presumably rewarded for their efforts by the nectar they collect from the interior of the hood.    From Wordnik.com.  [Brazil nut (Bertholletia excelsa)] Reference

Xylocopa, the latter of which is found in abundance south of New.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

The habits and structure of the little green Ceratina ally it closely with Xylocopa.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

I think when this is the case, the Xylocopa prefers making a new cell, to cleaning out the dirt and rubbish of the other species.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

The larva (Fig. 23) is longer than that of Megachile, and compared with that of Xylocopa, the different segments are much more convex, giving a serrate outline to the back of the worm.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

Osmia, Xylocopa, and especially Trigona and Melipona, which are stingless) should be studied to determine their role in pollination and - for some species.    From Wordnik.com.  [35 Bees] Reference

IntroductionCarpenter Bees (Xylocopa spp.).    From Wordnik.com.  [Carpenter bee] Reference

1.1 Carpenter Bees (Xylocopa spp.) 1.2 The Life of Carpenter Bees.    From Wordnik.com.  [Carpenter bee] Reference

Mr. Angus thus writes us regarding its habits, under date of July 19: "I asked an intelligent and observing carpenter yesterday, if he knew how long it took the Xylocopa to bore her tunnel.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

"I have just found a Xylocopa bobbing at one of the holes, and in order to ascertain the depth of the tunnel, and to see whether there were any others in them, I sounded with a pliable rod, and found others in one side, at a depth of five and one half inches; the other side was four inches deep without bees.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

Xylocopa and heads of male and female.    From Wordnik.com.  [Scientific American Supplement, No. 841, February 13, 1892] Reference

Xylocopa, 21.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

Hymenoptera: Anthophoridae: Xylocopa sonoria).    From Wordnik.com.  [What's That Bug?] Reference