| aphid specific predators in potato in belgium. | in summer 2003, aphid specific predators populations were sampled in four potato fields located in wallonia. ladybirds, hoverflies and lacewings were the most abundant predators collected. a total of 6 ladybird, 8 syrphid and 2 lacewing species was found. predator species composition and abundance greatly differed from field to field, while aphids populations were more or less similar with a peak of 3 to 5 aphid/potato leaf in mid-july. all chrysopidae sampled belong to the chrysoperla kolthoffi ... | 2004 | 15759406 |
| the use of common elder sambucus nigra to promote aphidophagous syrphids in apple orchards. | elder shrubs (sambucus nigra l.) were planted in an experimental apple orchard as bordering hedgerow with the objective of rearing syrphids (diptera: syrphidae) and consequently enhancing the biological control of the rosy apple aphid dysaphis plantaginea (passerini). the inoculative introduction of the specific elder aphid aphis sambuci l. (homoptera: aphididae) in late march 2002 and again in 2003 led to the complete hedgerow turning into an early and productive alternative prey reservoir for ... | 2005 | 16628887 |
| provisioning floral resources to attract aphidophagous hoverflies (diptera: syrphidae) useful for pest management in central spain. | noncrop plant communities present on the boundaries or within crop fields are essential for the maintenance of functional biodiversity, affecting beneficial insect numbers and ecological fitness. habitat manipulation is an increasingly studied strategy aimed at enhancing natural enemies of agricultural pests by providing feeding and shelter resources. in this study, six plant species selected from preliminary work were tested for their potential attractiveness to four common aphidophagous hoverf ... | 2013 | 24498730 |
| chemosensory genes in the antennal transcriptome of two syrphid species, episyrphus balteatus and eupeodes corollae (diptera: syrphidae). | predatory syrphid larvae are an important natural enemy of aphids in cotton agro-ecosystems in china. their behaviors in prey foraging, localization and oviposition greatly rely on the perception of chemical cues. as a first step to better understand syrphid olfaction at the molecular level, we have performed a systematic identification of their major chemosensory genes. | 2017 | 28784086 |
| mitochondrial genomes of the hoverflies episyrphus balteatus and eupeodes corollae (diptera: syrphidae), with a phylogenetic analysis of muscomorpha. | the hoverflies episyrphus balteatus and eupeodes corollae (diptera: muscomorpha: syrphidae) are important natural aphid predators. we obtained mitochondrial genome sequences from these two species using methods of pcr amplification and sequencing. the complete episyrphus mitochondrial genome is 16,175 bp long while the incomplete one of eupeodes is 15,326 bp long. all 37 typical mitochondrial genes are present in both species and arranged in ancestral positions and directions. the two mitochondr ... | 2017 | 28276531 |
| field boundaries as barriers to movement of hover flies (diptera: syrphidae) in cultivated land. | field boundaries play an important role as refuges, food sources and corridors for invertebrates and vertebrates, and increasing farmland fragmentation impacts on these functions. however, hedgerows and other structures can also impede dispersal by flying insects. the current work uses the pollen of phacelia tanacetifolia in hover fly guts as a marker to assess hover fly movement in farm landscapes. in the united kingdom and new zealand, phacelia pollen was found in the guts of ephisyrphus balte ... | 2003 | 12647134 |