Fig. 14.—Ctenioschelus Latreillii.
The Leaf-cutting Bees, which belong to the genus Megachile, are also very interesting in their habits.
Fig. 15.—Osmia Tunensis.
Fig. 16.—Andrena Collaris.
Family 2, Andrenidæ.—All the insects belonging to this family are solitary in their habits. The species are very numerous in this country. Many of them burrow in the ground, while others have been observed to make their nests in bramble stick. They are usually smooth, black insects, very unlike bees in appearance. The females have no apparatus for carrying pollen either on the legs or on the abdomen.
Section 2.—Diploptera.
Family 3, Vespidæ.—The Social Wasps, which belong to this family, are very well known everywhere in this country. In their general structure they resemble the bees, but are usually much more slender in appearance, and also much less hairy.
