Pelopaeus disappears from the new catalogue of Hymenoptera as the name of a valid genus; its species being assigned to Sceliphron and various other genera. We have endeavoured, as regards this name, to reconcile the nomenclature of previous authors with that used in the new catalogue by placing the generic name adopted in the latter in brackets.
When a second cell is more or less perfectly marked out, the cell with which it is connected is said to be appendiculate. The nervures frequently extend beyond the complete cells towards the outer margin, forming "incomplete" cells; only complete cells are counted, except when "incomplete" is mentioned.
See on this point the note on p. [130].
The pupae and cocoons of ants are usually called by the uninstructed, "ants' eggs." In this country they are used as food for pheasants.
The parthenogenetic young produced by worker females are invariably of the male sex.