INSECTS 



parasitic upon Megachile chiefly. The humble bees (Bombus) and the honey bee (Apis mellifica) are 

 social, living in societies consisting of males, females and workers. Pslthyrus is an ' unbidden guest ' 

 in the nests of Bombus. 



In the following list, unless otherwise stated, the species have all been seen by the writer in the 

 localities given. 



HETEROGYNA (Ants) 



FoRMICIDAB 



Formica rufa, Linn. The large dome-shaped nests of 

 this species are common in fir-woods about 

 Thorney and Wigsley 



fusca, Latr. Quarry at Cresioell Crags; Oxton 



Bogs 

 Lasius flavus, De Geer. Common 



niger, Linn. Common 



[Plagiolepis flavidula, Reg. In greenhouse at Bram- 

 cote, introduced] 



MYRMICIDAE 



[Tetramorium guineense, Fab. Retford, introduced, 



S. Pegler] 



Myrmica rubra, Linn., race laevinodis. Common 

 ,, ruginodis. Common 



FOSSORES (Sand-wasps) 



SAPYGIDAE 



Sapyga quinquepunctata, Fab. S. Leverton, common 

 on walls, June, 1902 (Thornley) 



clavicornis, Linn. Nottingham (R. Bakewell), not 



seen in recent years 



POMPILIDAE 



Pompilus plumbeus, Fabr. Nottingham ; Worksop ; 

 Everton ; Treswell 



gibbus, Fab. Bagthorpe and Bulwell Forest ; Lang- 



ford Moor ; Worksop ; Everton 



Salius fuscus, Linn. Treswell (Thornley) ; Bulwell ; 

 Thorney 



exaltatus, Fab. Longford Moor 



pusillus, Schiodte. Bulwell forest ; Thorney ; 



Widmerpool, etc. 



parvulus, Dahl. Bulwell Forest, common 



SPHECIDAE 



Trypoxylon figulus, Linn. S. Leverton (Thornley) ; 

 Treswell; Budby 



attenuatum, Sm. Trestvell Wood (Thornley) 

 Ammophila sabulosa, Linn. Longford Moor 

 Spilomena troglodytes, V. d. Lind. S. Leverton 



(Thornley) 



Stigmus solskyi, Moraw. Bagthorpe, Nottingham 

 Pemphredon lugubris, Latr. S. Leverton, common 



(Thornley) ; Wigsley ; Lowdham 



shuckardi, Moraw. S. Leverton (Thornley) ; 



Hucknall Torkard ; Thorney 



lethifer, Shuck. Nottingham ; Hucknall Torkard ; 



Bramcote ; Thorney 

 [Diodontus minutus, Fab. Newark (?) (Hadfield)] 



luperus, Shuck. Bagthorpe, Nottingham 



tristis, V. d. Lind. S. Leverton (Thornley) 

 Passaloecus corniger, Shuck. S. Leverton (Thornley) 



gracilis, Curt. S. Leverton (Thornley) ; Thorney 

 Mimesa equestris, Fab. Thorney 



bicolor, Fab. Bulwell Forest, very common ; 



Hollinwell 



FOSSORES (Sand-wasps) (continued) 



SPHECIDAE (continued) 



Psen pallipes, Panz. S. Leverton, common (Thornley) ; 



Styrrup 

 Gorytes mystaceus, Linn. Southwell 



quadrifasciatus, Fab. Thorney 



Nysson dimidiatus, Jur. Barrow Hills, Everton, 



26 Aug. 1 904 (Thornley) 

 Mellinus arvensis, Linn. Rare in Nottinghamshire ; 



Barrow Hills, Everton, 4 September, 1903 



sabulosus, Fab. Rampton ; Thorney ; on Umbelli- 



ferous flowers 

 Oxybelus uniglumis, Linn. Widely distributed and 



common 

 Crabro clavipes, Linn. S. Leverton (Thornley) 



leucostomus, Linn. S. Leverton (Thornley); 



Treswell ; Edwin statue 



podagricus, V. d. Lind. S. Leverton (Thornley) 



palmipes, Linn. Bagthorpe and Bulwell Forest, 



Nottingham 



- varius, Lep. Widely distributed 



wesmaeli, V. d. Lind. Nottingham 



elongatulus, V. d. Lind. Widely distributed 



quadrimaculatus, Dahl. Langford Moor ; Work- 



sop ; Sutton, nr. Retford 

 [ signatus, Panz. Newark (?) (Hadfield)] 



- dimidiatus, Fab. Common 



- cephalotes, Panz. S. Leverton (Thornley) 



- chrysostomus, Lep. Widely distributed and not 



uncommon 



- cribrarius, Linn. Very common in the sandy 



district to the north of Nottingham, as at Bag- 

 thorpe, Basford, Bulwell Forest, etc. ; also about 

 Harby, Thorney and Wigsley. Six females 

 captured on Bulwell Forest as they were entering 

 their burrows were taking home the following 

 species of Diptera with which to provision 

 their nests : Calliphora erythrocephala, Hyle- 

 myia strigosa, Pollenia rudis (two), and Thereva 

 nobilitata (two) 



peltarius, Schreb. Bulwell Forest; Langford 



Moor 



interruptus, De Geer. Treswell Wood (E. Shaw); 



Nottingham 



albilabris, Fab. Widely distributed, but not 



common 

 Entomognathus brevis, V. d. Lind. Worksop 



DIPLOPTERA (Wasps) 



VESPIDAE 



Vespa crabro, Linn. Ollerton (Rev. W. Becher) 



vulgaris, Linn. This and the two following 



species are all of common occurrence throughout 

 the county. 



germanica, Fab. 



rufa, Linn. 



sylvestris, Scop. Common on flowers of Scrophu- 



laria aquatica in many places throughout the 

 county 



