PTEROMALIDAE OF N.W. EUROPE 853 



Askew, R. R. 1959. A new species of Hobbya (Hym., Pteromalidae) from Britain. Ento- 

 mologist's mon. Mag. 95 : 69-70, 7 figs. 



1961. Some biological notes on the Pteromalid (Hym., Chalcidoidea) genera Caenacis 



Forster, Cecidostiba Thomson and Hobbya Delucchi, with descriptions of two new species. 

 Entomophaga 6 : 57-67, 13 figs. 



1961a. Ormocerus latus Walker and 0. vernalis Walker (Hym., Pteromalidae) parasites in 



Cynipid Oak Galls. Entomologist 94 (1179) : 193-195, 1 fig- 



19616. A study of the biology of species of the genus Mesopolobus Westwood (Hymen- 



optera : Pteromalidae) associated with cynipid galls on oak. Trans. R. ent. Soc. Lond. 

 113 : 155-173. " figs- 



1962. A new species of Pteromalidae (Hymenoptera : Chalcidoidea) reared from galls 



of Pontania viminalis (L.) (Hymenoptera : Tenthredinidae). Proc. R. ent. Soc. Lond. 

 (B) 31 : 1-3. 



1962a. An unusual Host of Habritys brevicornis (Ratzeburg) (Hym. Pteromalidae). 



Entomologist 95 (1188) : 126. 



1963. Some Chalcidoidea (Hymenoptera) reared from galls of Pediaspis aceris (Forster) 



(Hym., Cynipidae). Entomologist 96 (1207) : 273-276, 8 figs. 



1965. The Holarctic species of Cyrtogaster Walker and Polycystus Westwood (Hym., 



Pteromalidae) including the description of a new species of Cyrtogaster from Britain. 

 Entomophaga 10 : 179-187, 12 figs. 



Ayyar, T. V., Ramakrishna & Mani, M. S. 1937. On three Chalcidoid parasites of Cotton 



borer-Beetles from South India. Rec. Indian Mns. 39 : 125-127. 

 Bailey, R. i960. Description of the female of Meraporus tenuicornis Graham and its habitat, 



with a brief redescription of M. graminicola Walker (Hym. Pteromalidae). Entomologist 



93 : 40-43, 5 figs. 

 Bakke, A. 1955. Insects reared from spruce cones in Northern Norway 1951. Norsk ent. 



Tidsskr. 9 : 152-212, 31 figs. 



1956. Two little known species of Chalcid-flies from spruce cones in Norway. Norsk 



ent. Tidsskr. 10 : 43-47, 2 figs. 



1963. Studies on the spruce-cone Insects Laspeyresia strobilella (L.) (Lepidoptera : 



Tortricidae), Kaltenbachiola strobi (Winn.) (Diptera : Itonidae) and their parasites 

 (Hymenoptera) in Norway. Meddr norske SkogsforsVess. 19 : 13-151, 43 figs., 6 tables. 



Bakkendorf, O. 1955. Notes on Icelandic and Greenlandic Chalcidoideous Hymenoptera. 



Ent. Meddr 27 : 135-162, 41 figs. 

 Balduf, W. V. 1937. Bionomic Notes on the Common Bagvvorm, Thyridopteryx ephemerae- 



formis Haw., (Lepid., Psychidae) and its insect enemies (Hym., Lepid.). Proc. ent. Soc. 



Wash. 39 : 169-184. 

 Barnes, H. F. 1939. The Chrysanthemum Midge. // R. hort. Soc. 64 : 503-506. 

 Barrass, R. i960. The courtship behaviour of Mormoniella vitripennis Walk. (Hymenoptera, 



Pteromalidae). Behaviour 15 : 185-209. 



1960a. The effect of age on the performance of an innate behaviour pattern in Mor- 

 moniella vitripennis Walk. (Hymenoptera, Pteromalidae). Behaviour 15 : 210-218. 



1961. A quantitative study of the behaviour of the male Mormoniella vitripennis (Walker) 



(Hymenoptera, Pteromalidae) towards two constant stimulus-situations. Behaviour 



18 : 288-312. 

 Beaver, R. A. 1965. Two Braconids and a Pteromalid (Hymenoptera) new to Britain. 



Entomologist 98 (1229) : 238-240. 

 Blanchard, E. 1840. Histoire naturelle des insectes 3. 672 pp. Paris. 

 Blunck, H. 1944. Zur Kenntnis der Hyperparasiten von Pieris brassicae L. Z. angew. 



Ent. 30 : 418-491. 

 Boheman, C. H. 1858. Konskillnad hos Pteromaliner. Ofvers. K. VetenskAkad. Fork. 



15 : 58-59. 1 pl- 



