NOTES ON THE HYMENOPTEROUS FAMILY MICROGASTERIDiE. 103 



marshes in August. — One ex Psyche opacella, in June, 1899 

 (Chapman). 



35. callidus, Hal. — Felden (Piffard). — Shiere (Gapron). — 

 Twelve and cocoons, with two A. glomeratus (above), ex larvae of 

 Geometrides, Dartmouth, autumn, 1900 (Bankes). 



36. lateralis, Hal. — Taken by Capron at Shiere, and Pifford at 

 Felden, in Herts. 



37. fidvipes, Hal. — A common species on the wing ; I have 

 taken it in Suffolk — at Wortham, Tuddenham Fen, Barton Mills, 

 and Stanstead Wood — in June. — Six and bundle of cocoons ex 

 Noctiia xauthographa (Bignell). — Four and five cocoons QxEpione 

 vespertaria, York district, July, 1900 (Ash). 



The next genus contains nineteen European species, of which 

 thirteen are now known to be indigenous to Britain. I have seen 

 but seven of these : — 



MiCROPLiTis, Forst. 



1. spijiola, Nees. — This I swept in the Southwold salt-marshes 

 on August 1st, 1904. 



2. tristis, Nees. — Forty specimens bred in August, 1900, from 

 larvae of Diauthoccia capsincola, Eastbourne (Montgomery).- — 

 Thirty-two bred from D. cucubali, in Suffolk, autumn, 1898 

 (Tuck). 



3. dolens, Marsh. — One on Angelica sylvestris flower at Clay- 

 don, Suffolk, August 12th, 1899. 



4. spectahilis, Hal. — A common species on the wing ; bred 

 from Dianthoecia capsincola. On April 3rd, 1893, seven specimens 

 emerged from the chrysalids of Apamea unanimis, whose larvae I 

 took at Ipswich during the preceding February. 



5. mediana, Euthe. — Captured at Felden, in Herts (Piffard), 

 and on flower of Angelica sylvestris at Claydon, in Suffolk, late in 

 September, 1898. 



6. tubei'culif era, MVesm. — Felden, in Herts (Piffard). — Ipswich 

 and Diss, in June ; swept at dusk in Bentley Woods in September, 

 1897 (C. M.). — Three bred irom. Dianthoecia irregularis in Suffolk, 

 September, 1899 (Tuck). — Bred from Chesias ohliquaria, at Ely, 

 October, 1900 (Cross). — Bred from larva of G. ohliquaria, Decem- 

 ber 7th, 1901 ; four or live of these larvae were infested, the 

 parasite in each case emerging from the tenth segment, when 

 the host was three-quarters grown; Market Drayton, Salop 

 (Woodforde). 



7. sordipes, Nees. — New Forest, bred, November 28th, 1900 

 (Chawner). — Bred at Ely from Acronycta psi, in October, 1900 

 (Gross). — This species has not before been recorded from Britain. 



The last genus of this family is comprised of twenty-eight 

 species in Europe, of which twenty-one are British. I can, 

 however, mention but ten of these, including that brought 



