THE HYMENOPTF.RA ACTJLEATA OF DERBYSTTIRE. 221 



POMPILID^: : 



Pompilus viaticus, L. (fuscus, Sm.). P>urton (E.B.). 



P. gibbus, Fb. [The Oaks marlpit, Burton (E.B.)]; Little 



Eaton (J.H.). 

 Salius exaltatus, Fb. Burton (E.B.). 

 Sphegid^e : 



Trypoxylon figulus, L. In banks and rotten wood, Burton 



(E.B.). 

 Pemphredon lugubris, Fb. Seal wood, etc. Nests in 



rotten stumps (E.B.) ; Wellington (G.P.) ; Little Eaton 



(J-H.). 



P. shuckardi, Moraw (Cemonus unicolor, Sm. pars.). 



Burton (E.B.); Little Eaton (J.H.). 

 P. lethifer, Shuck.* One, Sept. 26, 1903, Chesterfield 



(F.G.). 

 Diodontus minutus, Fb. Burrows in banks, Burton (E.B.) ; 



Little Eaton (J.H.). 

 D. tristis, V. d. L. Burrows in dead twigs, Burton (E.B.). 

 Passalcecus gracilis, Curt. *Breadsall, 1903 (G.P.). 

 Psen pallipes, Pz. Makes its nest in the straws of thatch. 



Burton (E.B.). 

 Gorytes mystaceus, L. Little Eaton (J.H.). 

 Mellinus arvensis, L. [Shobnall, etc. (E.B.) ] ; *Breadsall, 



1903 (G.P.). 

 Cerceris arenaria, L. Burrows in sandy ground, Repton 



Shrubs (E.B.). 

 Crabro clavipes, L. *Breadsall Moor, 1886 (G.P.). 

 C. podagricus, V. d. L. Little Eaton (J.H.). 

 C. cephalotes, Pz. Little Eaton (J-H.); ^Chesterfield 



(F.G.). Two specimens from Chesterfield belong to 



the ordinary form, cavifrons, Thr. 

 C. chrysostoma, St. F. (xylurgus, Shuck.). Burrows in 



decayed wood, Burton (E.B.) ; Little Eaton (J.H.) ; 



*Breadsall Moor, 1903 (G.P.). 

 C. cribrarius, L. Repton Shrubs, more abundant than 



following species (E.B.) ; Little Eaton (J.H.). 

 C. peltarius, Schr. (patellatus, Pz.). Burrows in banks, 



Burton (E.B.). 



