A novel morphological mutation in the Hessian fly, Mayetiola destructor

Article Abstract:

A white eyed morphological mutation was discovered in a group of laboratory bred Hessian fly, Mayetiola destructor. There has also been increased economic interest in the genetics of Mayetiola destructor as host-plant resistance is the primary method of controlling this wheat pest since fly genotypes have evolved that can live on resistant wheat. The mutation is characterized by omatidia with white or pale facets, though all other body markings and structures appeared similar to the wild dark-eyed flies. Results also revealed that the white-eyed phenotype was controlled by a single recessive, sex-linked gene.

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Mariner transposase-like sequences from the Hessian fly, Mayetiola destructor

Article Abstract:

DNA sequences of the Hessian fly, amplified by polymerase chain reaction, are similar to the mariner transposase-gene subfamily found in Drosophila. The Hessian fly also contains a low copy number of sequences which hybridize to the sequences similar to the mariner transposase element. Thus, it appears the Hessian fly contains an endogenous mobile-transfer system. The mariner transposase elements are inverted terminal repeats which transpose genes through DNA.

Usage, Polymerase chain reaction, Transposons

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Physical mapping of DNA sequences in the Hessian fly, Mayetiola destructor

Article Abstract:

In situ hybridization enables genomic mapping of DNA sequences of the salivary polytene chromosomes of the Hessian fly Mayetiola destructor, which helps understand the action of this insect on wheat crop. Analysis of the cytological positions of the cloned genomic sequences helps formulate a genetic map. The genetic nature of the various Hessian flies can be understood through a detailed study of the genetic map.

Analysis, Chromosome mapping, Insect pests

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