Heriades rubicola, PEREZ.
Prosopis confusa, SCHENCK.
Ceratina chalcites, GERM.
Ceratina albilabris, FAB.
Ceratina callosa, FAB.
Ceratina coerulea, VILLERS.

2. HUNTING HYMENOPTERA.
Solenius vagus, FAB. (provisions, Diptera).
Solenius lapidarius, LEP. (provisions, Spiders?).
Cemonus unicolor, PANZ. (provisions, Plant-lice).
Psen atratus (provisions, Black Plant-lice).
Tripoxylon figulus, LIN. (provisions, Spiders).
A Pompilus, unknown (provisions, Spiders).
Odynerus delphinalis, GIRAUD.

3. PARASITICAL HYMENOPTERA.
A Leucopsis, unknown (parasite of Anthidium scapulare).
A small Scoliid, unknown (parasite of Solenius vagus).
Omalus auratus (parasite of various bramble-dwellers).
Cryptus bimaculatus, GRAV. (parasite of Osmia detrita).
Cryptus gyrator, DUF. (parasite of Tripoxylon figulus).
Ephialtes divinator, ROSSI (parasite of Cemonus unicolor).
Ephialtes mediator, GRAV. (parasite of Psen atratus).
Foenus pyrenaicus, GUERIN.
Euritoma rubicola, J. GIRAUD (parasite of Osmia detrita).

4. COLEOPTERA.
Zonitis mutica, FAB. (parasite of Osmia tridentata).