''Heriades'' is a genus of bee in the family

Megachilidae Megachilidae is a cosmopolitan family of mostly solitary bees. Both that their pollen-carrying structure (called a ''scopa'') is restricted to the ventral surface of the abdomen (rather than mostly or exclusively on the hind legs as in other b ...

. Fairly small and usually black, they are found all over the world. There are more than 130 species worldwide, roughly 25 species in North and Central America, but only 3 species are native east of the Rocky Mountains. European species such as ''H. truncorum'' can be found on the east coast of the US. Like other bees in the tribe Osmiini, ''

Hoplitis ''Hoplitis'' is a genus of bees in the family Megachilidae. There are more than 380 described species in ''Hoplitis''. See also * List of Hoplitis species This is a list of 385 species in ''Hoplitis'', a genus of leafcutter, mason, and resin ...

'' and '' Ashmeadiella'', they nest in cavities in wood excavated by other insects, or perhaps occasionally pine cones. They separate the cells of their nest with resin (most of the time).

References

{{Taxonbar, from=Q4040587 Bee genera Megachilidae