A PRELIMINARY LIST OF THE INSECT-FAUNA OF MIDDLESEX. 7 



willughhiella, Kirb., Isleworth (Fenn). M. circumcincta, Lep., 

 Bedford Park {CklL). M. ligniseca, Kirb., Highgate (Smith). 

 M. centancularis, L., Isleworth (Fenn), Bedford Park (CklL). 



Anthidium manicatum, L., Isleworth (Fenn), Bedford Park 

 (CklL). 



Chelostoma carrvpanularum, Kirb., Bedford Park, one on a 

 flower of Epilobium liirsutum (CklL). 



Heriades truncorum, L., Brentford (Smith). 



Osmia riifa, L., Isleworth (Fenn), Bedford Park (CklL). 

 0. coeridescens, L., Isleworth (Fenn). 0. fidviventris, Panz., 

 Hammersmith (Smith). 



Anthophora retusa, L., Hampstead Heath (Smith). A. pilipes, 

 Fab., Isleworth (Fenn). A. furcata, Panz., Brentford (Smith). 



A. quadrimacidata, Panz., Kentish Town (Smith). 



Psithyrus rupestris, Fb., Isleworth (Fenn). P. vestalis, 

 Fourc, Isleworth (Fenn). 



Bombus cognatiis, Steph., Isleworth (Fenn). B.muscorum, L., 

 Isleworth (Fenn), Bedford Park (J. W. Horsley, fide Fenn). 



B. latreillellus, Kirb., Isleworth (Fenn). B. hortorum, L., Isle- 

 worth (Fenn). B. hortorum var. harrisellus, Kirb , Isleworth 

 (Fenn). B. hortorum var. c, black, end of abdomen grey, Isle- 

 worth (Fenn). B. pratorum, L., Isleworth (Fenn), Bedford Park 

 (CklL). B. sylvarum, L., Isleworth (Fenn). B. derhamellus, 

 Kirb., Isleworth (Fenn). B. lapidarius, L., Isleworth (Fenn), 

 Bedford Park (CklL). B. terrestris, L., Isleworth (Fenn), Bed- 

 ford Park (CklL). 



Apis mellijica, L., Isleworth (Fenn), Bedford Park (CklL). 

 A. ligustica, Spin., = A.fasciata var., Kirch. ; A. mellijica, var., 

 Tasch., Isleworth (Fenn), Bedford Park (J. W. Horsley, fide 

 Fenn) : doubtless an introduction. 



Vespidce. 



Vespa vidgaris, L., Isleworth (Fenn). V. germanica, Fb., 

 Isleworth (Fenn). V. rufa, L., Isleworth (Fenn). 



Polistes biguttatus, Halid., London Docks (Smith, Entom., 

 1878, p. 172) : an accidental importation from Brazil. 



EumenidcB. 

 Ody nevus Icevipes, Shuck., Hampstead (Smith). 0. parietum, 

 L., Bedford Park (CklL), Bloomsbury (Brit. Mus.). 0. antilope, 

 Panz., Isleworth (Fenn). 0. parietinus, L., Isleworth (Fenn), 

 Bedford Park, July 5 (CklL). 



Andrenidw. 



Halictus xanihopus, Kirb., Isleworth (Fenn). H. leucozonias, 

 Schr., Isleworth (Fenn). H. nitidiuscidus, Kirb., Hampstead 

 Heath (Smith). H. smeathmanellus, Kirb., Hammersmith, olim 

 (Smith) . 



Andrena cingulata, Fab., Hampstead (Smith). A. albicans, 



