Hemiptera - -Continued. 



1005. CHINA, W. E. A new species of Bryocoropsis 

 (Hem. Capsid.) on cacao in Fernando P6o. B. Ent. Res. 

 20:253-254, illus. Oct. 1929. 421 B87 



Bryocoropsis cotterelli. 



1006. FENNAH, R. G. A preliminary list of the 

 Pentatomidae of Trinidad, B. W. I. Trop. Agr. [Trinidad] 

 12:192-194. July 1935. 26 T754 



Mecistorhinus (Pentatoma) picea and Mecistorhinus 

 (Cimex) tripterus taken on cacao. 



1007. GOLDING, F. D. Capsid pests of cacao in 

 Nigeria. B. Ent. Res. 32:83-89. Ref. Apr. 1941. 

 421 B87 



Sahlbergella singularis, S. theobroma, and Helopeltis 

 bergrothi. 



1008. KNIGHT, H. H. Monalonion Herrich-Schaeffer; 

 descriptions of cacao species from Brazil (Hemiptera, 

 Miridae). Rev. de Ent. 10:226-230. Apr. 1939. 421 R326 



Monalonion flavisignatun, n. sp., M. bahiense, and M. 

 bondari. 



1009. MAYNE, R., and GHESQUIBRE, J. H^mipteres 

 nuisibles aux v^gftaux du Congo Beige. Ann. de 

 Gembleux 40:1-41, illus. Jan. 1934. 13 G28 



Index refers to 66 species attacking cacao. 



1010. NICOL, J. M. The present position of research 

 on capsid pests of cacao in West Africa. Cacao Res. 

 Conf. Rpt. & Proc. 1945:111-113. Ref. 1945. 68.39 C64 



1011. SQUIRE, F. A. On the economic importance of 

 the Capsidae in the Guinean Region. Rev. de Ent. 18: 

 219-247. Ref. Aug. 1947. 421 R326 



Deals chiefly with five species attacking cacao: 

 Sahlbergella singularis, Bryocoropsis laticollis, 

 Distantiella theobroma, Helopeltis bergrothii, and 

 Odoniella reuteri. Discusses distribution, nature of 

 damage, bionomics, seasonal fluctuations, resistance 

 factors, alternative host plants, natural enemies, and 

 possible control measures. 



Helopeltis 



1012. BETREM, J. G. Derrispoeder als middel ter 

 bestrijding van de Helopeltis in de cacaocultuur. 

 Bergcultures 14:134-154. Feb. 3, 1940. 22.5 B45 



Reports large-scale field experiments in use of derris 

 powder against Helopeltis attacking cacao in Java. 



1013. BETREM, J. G. Kort verslag van een proef over 

 bestrijding van Helopeltis in cacao door middel van 

 verstuiven Van derrispoeder. Bergcultures 12:1790- 

 1796, illus. Dec. 24, 1938. 22.5 B45 



1014. BETREM, J. G., and OSTENDORF, F. W. 

 Resultaten van Helopeltis-vangproef MJ 373 over de 

 periode Januari 1935 tot en met November 1936. 

 Bergcultures 11:835-840. June 5, 1937. 22.5 B45 



Helopeltis-catching tests at Geta cacao plantation. 



1015. BETREM, J. G., and OSTENDORF F. W. Twee 

 Helopeltis-vangproeven bij cacao op de onderneming 

 Geta. Bergcultures 10:1456-1459. Ref. Nov. 21, 1936. 

 22.5 B45 



Helopeltis-catching tests. 



1016. BETREM, J. G. Verdere gegevens omtrent de 

 bestrijding van de Helopeltis door middel van derris- 

 poeder. Bergcultures 15:238-249. Mar. 1, 1941. 



22.5 B45 



Use of derris against Helopeltis on cacao in Java. 



1017. GIESBERGER, G. Bestrijding van Helopeltis bij 

 cacao met loodarsenaat. Arch. v. Koffiecult. Nederland. 

 Indie 14:100-102. Jan. 1940. 68.28 Ar2 



Use of lead arsenate to control Helopeltis on cacao. 



1018. GIESBERGER, G. Eenige waarnemingen over de 

 aantasting van cacao door Helopeltis. Arch. v. Koffiecult. 

 Nederland. Indie 14:44-99. Jan. 1940. 68.28 Ar2 



Notes on Helopeltis attacking cacao. 



1019. JONG, J. K. DE. Helopeltis in cacaotuinen. 

 Bergcultures 8:658-667. July 14, 1934. 22.5 B45 



1020. JONG, J. K. DE. Helopeltis in de cacao. 

 Bergcultures 6:523-528. May 21, 1932. 22.5 B45 



1021. LEVERT, P. Eenige gegevens over Helopeltis- 

 aantasting bij cacao. Bergcultures 13:1290-1300. Sept. 

 16, 1939. 22.5 B45 



Discusses influence of black ants (Dolichoderus 

 bituberculatus) and lice, influence of Plagiolepis longipes, 

 and influence of sap composition on the extent of 

 Helopeltis infestation. 



1022. LEVERT, P. H. Het mier-luis-complex bij cacao 

 en verdere gegevens over Helopeltis-aantasting. Arch. v. 

 Koffiecult. Nederland. Indie 14:1-43. Ref. Jan. 1940. 

 68.28 Ar2 



Discusses the ant-mealybug complex in cacao plantings 

 and control of Helopeltis. 



Helopeltis — Continued. 



1023. MENZEL, R. Over de in Helopeltis 

 parasiteerende sluipwesp. Thee 5:115-120, illus. Dec. 

 1924. 68.18 T34 



A species of Euphorus found on Helopeltis on tea and 

 cacao in Java. 



1024. MENZEL, R. Over splnnen- en sluipwespen- 

 cocons en een parasiet der cacao-Helopeltis. Thee 5:72- 

 75, illus. Sept. 1924. 68.18 T34 



Includes notes on a parasite of Helopeltis, probably of 

 the genus Euphorus. 



1025. MEYER, A. H. Derrisbestuiving ter bestrijding 

 van Helopeltis. Bergcultures 13:1487. Oct. 21, 1939. 

 22.5 345 



1026. MEYER, A. H. Het Helopeltisvraagstuk in de 

 cacao. Bergcultures 11:622-635. May 1, 1937. 22.5 B45 



Discussion of 16 questions dealing with the Helopeltis 

 problem in Java. 



1027. MEYER, A. H. Twee Helopeltis-vangproeven op 

 de onderneming Getas. Bergcultures 11:150-151. Jan. 

 30, 1937. 22.5 B45 



Helopeltis-catching tests on the Geta Estate. 



1028. MILLER, N. C. E. A new Malayan species of 

 Helopeltis (Rhynchota, Capsidae). B. Ent. Res. 30:343- 

 344, illus. Nov. 1939. 421 B87 



Helopeltis theobromae, n. sp., on cacao and plants of 

 Bixa orellana growing nearby in the Federated Malay 

 States. 



1029. MOHR, J. C. VAN DE M. Au sujet du role de 

 certaines fourmis dans les plantations coloniales. B. 

 Agr. du Congo Beige 18:97-106, illus. Mar. 1927. 24 K83 



Includes account of use of black ants, Dolichoderus 

 bituberculatus, in control of Helopeltis on cacao in Java. 



1030. PEELEN, J. R. C. Enkele nabetrachtingen over 

 het ter vergadering der Plantersvereeniging Semarang- 

 Kedoe behandelde agendapunt: "Bestrijding van Helopeltis 

 in cacao." Bergcultures 11:878-886. June 12, 1937. 

 22.5 B45 



Discusses trapping and other control methods. 



1031. UPHOF, J. C. T. El hemiptero Heliopeltis del 

 cacahual y las hormigas que lo ahuyentan. Hacienda 39: 

 11, illus. Jan. 1944. 6 Hll 



Natural control of Helopeltis antonii by Dolichoderus 

 bituberculatus, and dependence of the latter on 

 Pseudococcus crotonis, in Java cocoa plantations. 



Sahlbergella 



1032. BOX, H. E. The cacao pest situation in West 

 Africa and the Cameroons, with special reference to 

 Sahlbergella singularis Hagl. and S. theobroma Dist. 

 (Hemiptera: Capsidae). Report upon a visit to French 

 Togo, Dahomey, Nigeria and the Cameroons during the 

 dry season, December, 1943 to March, 1944. West 

 African Cacao Res. Inst. Tech. B. 1, 69 p. Ref. May 

 1944. 68.39 T12 



Abstract in Rev. Appl. Ent. 33:195-196. 1945. 



1033. *BOX, H. E. The Sahlbergella menace to Gold 

 Coast cocoa. West African Cacao Res. Inst. Memo. 9, 

 8 p. 1944. 



Abstract in Rev. Appl. Ent., Ser. A, 32:287. Aug. 1944. 

 421 R325 



Reviewed in B. Agr. du Congo Beige 37:205-208. Mar. . 

 1946. 24 K83 



1034. BREDO, H. J. Contribution a l'6tude de 

 Sahlbergella singularis Hagl. B. Agr. du Congo Beige 22: 

 81-98, illus. Ref. Mar. 1931. 24 K83 



Biology and control measures. 



1035. COTTERELL, G. S. Life history and habits, etc., 

 of Sahlbergella singularis Hagl. and Sahlbergella theo- 

 broma Dist. Gold Coast Dept. Agr. B. 7:40-43, illus. 

 1924. 24 G24B 



Abstract of Bulletin 3, Preliminary study of the life- 

 history and habits of Sahlbergella singularis Hagl. and 

 Sahlbergella theobroma Dist. 



1036. COTTERELL, G. S. A new parasite of 

 Sahlbergella singularis Hagl. Gold Coast Dept. Agr. B. 7: 

 44-46, illus. 1927. 24 G56B 



Euphorus sahlbergellae Wilkinson. 



1037. COTTERELL, G. S. The occurrence of 

 Sahlbergella spp. and other pests of cacao in Fernando 

 P6o, San Thom6 and the Belgian Congo. Gold Coast. 

 Dept. Agr. B. 20:162-171. Ref. 24 G56B 



1038. COTTERELL, G. S. Preliminary study of the 

 life-history and habits of Sahlbergella singularis Hagl. 

 and Sahlbergella theobroma Dist., attacking cocoa on the 

 Gold Coast, with suggested control measures. Gold Coast 

 Dept. Agr. B. 3, 26 p., illus. June 1926. 24 G56B 



*Not examined. 



31 



