Indicator plants for emergence and sread of listominier flies from genus Liriomyza
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Author: Dimitrov,, Yanko; Palagacheva, Nedyalka
Leafminers files are a serious threat to vegetable crops and ornamentals cultivated in greenhouses or outdoors. They are polyphagous individuals that have a wide host plant range - attacking sixty-six different plant families. Their varied diet determines their widespread distribution. The detailed implementation of the plant protecting measures requires identifying the precise species composition and the start of the insect pest attack. For that purpose, leafminers files and damages to vegetable crops and ornamentals were collected in the region of Plovdiv, Rakovski, Parvomay, Perushtitsa for the period 2008 - 2009. The species composition was laboratory attested in the Department of Entomology at Plovdiv Agricultural University. The ascertained damages have given insight into the preferred host plant families that can also be used as their determinants. The research findings about the leafminers files, in Bulgaria and worldwide, have produced lists of host plant families defining their food specialization and identification.