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THE HYMENOPTERA OF SUFFOLK.

L. edentatus, Hai.—A female in bugloss flower, with Ceratina, Shrubland, 5 July 1923. Centistes lucidator, Nees.—Prohably quite common : Barnby, &c. C. fuscipes, Nees.—Once taken at Foxhall, on 30 August 1899. Syrrhizus delusorius, Fst.—One of the undescribed males in Monks Soham garden, 1913 ; it differs only sexually. ICHNEUTIDES.

Ichneutes reunitor, Nees.—One on an oak-leaf at Monks Soham. I. brevis, Wsm. Proterops nigripennis, Wsm.—' The only female [Bracon denigrator] that I have seen was captured by the Rev. W. Kirby, and is now in Mr. Stephen's fine collection' (Curtis, B. E. lxix ; cf Marshall, T r . Ent. Soc. 1889, p. 185). Not noticed here later. HELCONTIDES.

Helcon annulicornis, Nees.—Female at Brantham on 5 July 1899 ( E M M . Aug. 1900). H . ruspator, Linn. MACROCENTRIDES

(cf. Entom.

1907,

p.

251).

Macrocentrus marginator, Nees.—Abundant on marsh-flowers. M. nitidus, Wsm.—Brandon, August 1906 (Entom. 1914, p. 260). M. thoracicus, Nees.—Ipswich at üght (Platten), Assington Thicks. M. abdominalis, Fab.—Ipswich bred from A. caja (Platten), Tostock, Benacre (Tuck). M. infirmus, Nees.—Aldeburgh (Tuck), Monks Soham garden. M . aequalis, Lyle. M. collaris, Spin.—Not rare : Alderton, Brandon, Onehouse. Zele testaceator, Curt.—Uncommon : Ipswich, and bred from B. repandata at Monks Soham. Z. infumator, Lyle. Z. chlorophthalmus, Nees.—Rarelyat light, Monks Soham, autumn. Z. calcarator, Wsm.—NEW TO BRITAIN. A female in Bentlev Woods, 1894 (E. Baylis). Z. geminator, Lyle. Z. discolor, Wsm.—Rare : a female in Blythburgh Wood, Sept. DIOSPII.IDES.

Aspidogonus diversicornis, Wsm. ( E M M . 1923, p. 278). Diospilus specidator, Hai.—Marshes : swept in Tuddenham Fen. D. oleraceus, Hai.—Abundant every where in July: Monks Soham. D. morosus, Reinh.—Apparently rare : On Southwold windows. D. ovatus, Marsh.—Rarely noticed in Parham Wood, May. D. capito, Nees.—Common in early September: Southwold. D. produetus, Msh.—Once swept by the river at Brandon staunch. Caenocielius analis, Nees.

The Hymenoptera of Suffolk: Final Part  
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