45 



in this and some neighbouring governments and in some cases caused 

 serious damage. Of the Rhynchota (Hemiptera), Sehirus bicolor, L., 

 is quite common in the government and was observed in an orchard 

 in Stavropol between 9th and 21st April. Grain crops were more 

 or less damaged by Eurygaster integriceips, Put., E. austriacus, 

 Schr., E. 7naurus, L., Aelia acuminata, L., A. sibirica, Reut., A. 

 rostrata, Boh., and A.furcula, Fieb. ; Graphosonia italicmn, Mull., was 

 found occasionally on bush fruit ; Palomena prasitia, L., on wheat ; 

 Dolycoris baccarum, L., common from April to August on lucerne, 

 horse-radish and in the trap belts of fruit trees. Eurydemaornatum,\j., 

 the imagines of which hibernate, is one of the most serious pests 

 of cabbage ; the Proctotrupid, Trissolcus simoni, Mayr, was reared 

 from the eggs and a fly of the genus Phasia from the imagines. E, 

 festivum, L., mostly occurred on wild Cruciferae, and E. oleraceum, L., 

 on cabbage and horse-radish. Tingis pyri, ¥., was noticed on pear 

 trees and the Anthocorid, Montandoniella dacica, Put., on fruit trees. 

 On lucerne, there were found more or less frequently : Piezodorus 

 lituratxis, Corizus (Rhopalus) parumpunctatus, Shill., Corizus {Sticti- 

 pleurus) crassicornis, L., Adelphocoris seticornis, F.,and A. lineolatus, 

 Goeze, the last-named being the most abundant and important. Near 

 Stavropol large nvmabers of Lygus pratensis, L., were noticed on 

 lucerne in July and in September. It also occurred singly on goose- 

 berries and black currants, as ^id Lygus campestris. L. pabulinus, L., 

 and L. kalmi, L., w^ere observed singly on fruit trees. Poeciloscytus 

 cognatiis, Fieb., was found in July on sunflowers in considerable 

 numbers ; Liocoris tripustulatus, Fall., on blossoming currants and goose- 

 berries in April ; Notostira erratica, L., and Trigonotylus ruficornis, 

 Geoffr., on wild cereals ; Typhlocyba rosae, F., on roses and apple 

 trees ; and Psylla pyricola, Forst., on pears. Pemphigiis ovato-oblongvs, 

 Kessel., P. pyriformis, Licht., P. protospirae, Licht., and P. bursarivs, 

 Licht., are all common on poplar trees. Telranewa idmi, Deg., 

 Tetraneura rubra, Licht., Schizoneura. idmi, Deg., are also mentioned, 

 and Schizoneura lanigera, Haus., is commonly found in orchards in the 

 province of Kuban. Anoecia corni, F. is common in October on leaves 

 of Cornus sanguinea ; Callipterus juglandis, Frisch., and C. juglandi- 

 cola, Kalt., on walnuts ; PterocMonis roboris, 1.., on oak ; Chaito- 

 phorus nassonoivi, Mordw., on poplar ; Macrosiphmn rosae, L., com- 

 mon on roses ; M. pisi, Kalt., singly on lucerne ; Hyalopterus pruni 

 arundinis, F., common m May and June on plums, peaches and 

 apricots, and in August on Phragmites communis ; Myzodes sp. n. on 

 sunflower, chiefly on varieties grown for oil, while those grown for 

 eating were more attacked by Aphis euonymi-papaveris. Contrary 

 to the experience of 1912, Toxoptera gramimnn, Rond., occurred 

 sparingly. Aphids were on the whole scarce, probably owing to their 

 natural enemies, chiefly Coccinellidae {Adalia bipunctata being the 

 commonest), Syrphidae, and species of Chrysopa. Aphis pomi, Deg., 

 occurred on apples and quinces ; A. idaei, Goot., on raspberries ; 

 A. laburni, Kalt., and A. gossypii, Glov., on pumpkins ; A. brassicae, 

 L. ; Brachocolus noxius, Mordw., on pears ; Aphis sp. n. on millet. 

 Lepidosaphes idmi {Mytilaspis pomorum) damaged apples and poplars 

 and was also found on willows and barberries ; Eulecanium {T^canium) 

 corni. Sign., was very injurious to Robinia pseudacacia in the neigh- 

 bouring province of Kuban. 



