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RESISTANCE-ASSOCIATION OF AMPLIFIED ESTa3 IN CULEX QUINQUEFASCIATUS FROM COLOMBIA

D. Silva , J. Hemingway and A. Vaughan | Poster | 1996

MOLECULAR AND KINETIC ANALYSIS OF THE GLUTATHIONE S-TRANSFERASES INVOLVED IN DDT RESISTANCE IN ANOPHELES GAMBIAE

H. Ranson , L. Prapanthadara and J. Hemingway | Poster | 1996

INSECTICIDE RESISTANCE AND POSSIBLE RESISTANCE MECHANISMS IN FIELD-COLLECTED GERMAN COCKROACHES, BLATTELLA GERMANICA (L.) FROM MALAYSIA

Chow-Yang Lee , J. Hemingway , H. H. Yap and N. L. Chong | Poster | 1996

ROTATIONAL AND MOSAIC STRATEGIES FOR DELAYING THE DEVELOPMENT OF INSECTICIDE RESISTANCE IN MOSQUITOES - BASELINE DATA FOR A LARGE SCALE FIELD TRIAL IN SOUTHERN MEXICO

R. P. Penilla , A. D. Rodriguez , J. Hemingway , J. L. T. Estrada , J. I. A. Jimenez and M. H. Rodriguez | Full Paper | 1996

A large scale resistance management programme is currently being undertaken in Chiapas, Southern Mexico. this paper reports the baseline levels of resistance as detected by bioassays and biochemical assays in the mosquito Anopheles albimanus in the study area. A high level of resistance to DDT and l...

AMPLIFIED ESTERASES A2 AND B2. HAS RESISTANCE OCCURRED ONCE OR SEVERAL TIMES?

J. Hemingway , A.J. Ketterman , S.H.P.P. Karunaratne , K.G.I. Jayawardena and A. Vaughan | Full Paper | 1993

Elevation of esterase activity is the most common form of organophosphate resistance in the Culex pipiens complex. There are several electrophoretically distinguishable forms of esterase which can be elevated. Raymond et a1 (1991) have put forward the hypothesis that the most common form of elevatio...