10 ; 



in oak timber, pupation occurring in the spring and there being only 

 one generation ; Plagionotus arcuatus, L., on elm, oviposition occurring 

 in May and pupation in early spring ; Dorcadion carinatum, Pall. ; 

 Agapanthia dahlii, Richt., on sunflowers ; Mesosa niyops, Dalm., in 

 old dead oaks ; Leina ynelanojja, L., and L. cyanella, L., on oats ; 

 Crioceris duodecimpunctata, L., on asparagus ; Labidostomis sp. 

 causing great damage to young grape plants ; Colaphus hoefti, Men., 

 on mustard ; Entomoscelis adonidis. Pall., on rape in May ; Melasoma 

 tremulae, F., M. popidi, L., and M. saliceti, Wse., on poplars ; 

 Galerucella luteola, Miill., apparently having two generations a year 

 in April and September and feeding on elm ; Chaetocnema aridula, 

 Gyll. ; Haltica quercetorum, Foudr., on oak ; Phyllotreta vittula, 

 Rdtb. ; P. nemorum, L., on flax ; Apliiliona euphorbiae, Schr. ; 

 Cassida nehiilosa, L. ; Bruchus pisorum, L. {pisi, L.) ; B. lentis. Boh. ; 

 Sciaphobus squalidus, Scop. ; Bothynoderes punctiventris, Germ., on 

 beet ; Ceuthorrhynchus macula-alba, Hbst. ; Calandra granaria, L. ; 

 AntJionomus pomorum,lj. ; Magdalimtsaterrimus,h. ; Apion pomonae, 

 L. ; BTiijncJiites aequatus, L., in May ; R. auratus, Scop. ; R. 

 bacchus, L. ; R. pauxillus, L. ; Byctiscus betidae {R. betuleti, F.), 

 on grapes ; Gasterocerciis depressirostris, F., on oak ; Scolytus 

 {Eccoptogaster) scolytus, F., in birch and elm, in which it has two 

 generations ; S. (E.) pygmaeus, F., with two generations a year ; 

 S. (E.) niultistfiatus. Marsh., with two generations a year, except in 

 elm in which only one occurs ; S. {E.) kirschi, Skal, in elm and birch ; 

 S. (E.) ensifer, Eich. ; S. (E.) intricatus, Koch ; >S. {E.) rugulosus, 

 Koch, with two generations and hibernating in the larval stage ; 

 Phloeoiribus caucasicus, Reitt., in ash ; Hylesinus crenatus, F., in 

 ash ; H. oleiperda, F. ; H. fraxini, Panz., doing very serious damage 

 to ash, necessitating the planting of trap-trees ; Pteleobius viffatus, F., 

 in elm, with one generation and hibernating in the adult stage ; 

 P. hraatzi, Eichh. ; Ernoporus tiliae, Panz., in Hme ; Xyleborus 

 motwgraphvs, Rtzb., in oak ; Xyleborus (Anisandrus) dispar, F. ; 

 Lethrus apterus, Laxm., on grapes ; Rhizotrogus aequinoctialis, Hbst. ; 

 Amphunallus sollitialis, L. ; Polyphylla fullo, L. ; Anoxia pilosa, F. ; 

 Anisoplia austriaca, Hbst., on oats and rye ; A. cyathigera, Scop. ; 

 A. zwicJcii, Fisch. ; A. segetum, Hbst. ; A. deserticola, Fisch. ; 

 Pentodon monodon, F., on maize, the adults hibernating ; Epicometis 

 (Tropinota) hirta, Poda, on rye and mustard ; and Oxythyrea funesia, 

 Poda. 



Diptera include : — Mayetiola destructor, Say, on wheat, parasitised 

 by Merisus destructor, Say, and Polygnotus minutus, Lind. ; Rhagoletis 

 (Spilographa) cerasi, L., on cherries ; Chlorops taeniopus, Meig. ; 

 Oscinella frit, L., on wheat; Hydrellia griseola, Fall., on oats. 



Hymenoptera include : — Hylotoma rosae, L. on roses ; Trichiocampus 

 idmi, L. {Cladius uncinatus, Hart.), on birch and elm, with two or 

 three generations a year and hibernating in the larval stage, the eggs 

 being laid in the second half of April in the central vein of the leaves ; 

 Cladius sp. on poplars ; Atlialia colibri {spinarum, F.), on rape and 

 mustard ; Macrophya punctum-albmri, L., on ash ; Eriocampoides 

 limacina, L. {Eriocampa adumbrata, Kl.), on cherries and pears ; 

 Xyphidria longicollis, Geof5r. {annulafa, Jur.), on oak ; and Cephvs 

 ])ygmae}is, L., on wheat. 



