(n.) Any dipterous fly of the family Tabanidae, that stings horses, and sucks their blood.
(n.) The horse tick or forest fly (Hippobosca).
Example Sentences:
(1) Potential horsefly intermediate hosts collected in the enzootic area included Hybomitra rhombica osburni, H. tetrica, H. metabola, Chrysops noctifer pertinax and Atylotus incisuralis.
(2) That information together with our observations suggest that segregation of infected horses (usually defined as at least 200 yards from susceptible horses) as a control measure for EIA may not be an adequate safeguard against transmission in areas where horseflies are numerous.
(3) In 1 of 7 transmission trials, a single horsefly transmitted EIA virus from an acutely infected pony to a susceptible pony.
(4) The knowledge accumulated in the course of studies of bloodsucking dipterans: mosquitoes, horseflies, Heleidae, midges in the Urals and the adjacent territories is reviewed.
(5) (3) There is a time link between the rate of sero-conversion and the variations in activity of the horsefly population.
(6) Groups of horseflies isolated for 3, 10, or 30 minutes before refeeding transmitted EIA virus, whereas those isolated for 4 or 24 hours did not.
(7) After statistical analysis, this space-time study showed that: (1) There is a significant positive geographical correlation between the rate of incidence of BLV infection and the density of the horsefly population.
(8) Spiroplasmas have been isolated previously from a number of blood-sucking arthropods, including ticks, horseflies, and deerflies.
(9) The average number being 120-300 mosquitoes and 50 horseflies per hour, the milking qualities in the cattle decreased by 6.2%, the milk fat content by 11.8%.
(10) Seven mosquito species and 18 horsefly species were observed to be attacking the cattle.
(11) A parallel entomological study was run over the same period, using continuous trapping, in order to determine both the density and variations of horsefly (Tabanus spp.)
(12) However, this protection period was not achieved for horseflies.
(13) Data from field studies indicate that the home range or flight distance of horseflies may exceed 4 miles.
(14) In some ways, however, chirps are a Trojan horsefly, a way to sneak bugs into American diets and transform sceptics into insectivores.
(15) 13,924 mosquitoes, 75 horseflies and 60 blackflies were processed in 1973.
(16) Blood-feeding success of female horseflies, Hybomitra expollicata Pandellé and Tabanus bromius L. (Diptera: Tabanidae), was studied.
(17) Dipterous blood-sucking insects (horseflies, black flies, gnats, midges) have negative impacts on the performance of draught horses in forest enterprises.
(18) Microsporidia of the genus Ameson were recorded from larvae of horseflies of the genus Hybomitra in Karelia.
Tabanid
Definition:
Example Sentences:
(1) This, and the fact that BLV-infected lymphocytes were recovered from tabanids allowed to feed on a BLV-positive cow, supports the idea that bloodsucking insects play a major role in the spread of BLV.
(2) One-way deformation tests using sera prepared against known beetle and tabanid spiroplasmas showed each of the above strains to be unique.
(3) The ability of tabanid mouthparts to retain and to transfer mechanically Ehrlichia risticii Holland, Weiss, Burgdorfer, Cole & Kakoma was evaluated by feeding flies on infected and noninfected mice and on capillary tubes containing infected cells and cell-free medium.
(4) All these data combined would appear to indicate that tabanids play a considerable role in the spread of BLV under natural conditions.
(5) Therefore, more tabanids attach themselves to old animals than to young ones.
(6) The recapture data after the first day of marking was significantly delayed for tabanids that fed on fenvalerate-sprayed bullocks.
(7) The low A. marginale reactor rate in this white-tailed deer population was probably a reflection of the lack of cohabitation between cattle and deer and the fact that the primary arthropod vectors in Louisiana are tabanids.
(8) Where samples were large enough, the preferred alighting sites were determined for the tabanids, and differences in such sites were found for species in three genera.
(9) No isolates were obtained from greater than 4,000 tabanids collected along with the mosquitoes those years.
(10) Tabanids were collected during 2 consecutive summers from 3 counties in New York using a canopy trap and insect net.
(11) Traps baited with octenol + phenols, with or without acetone, caught the greatest numbers of tabanids.
(12) Lower tabanid burden of foals was indicated as a practical protective mechanism against pathogenic agents mechanically transmitted by tabanids, such as equine infectious anemia virus.
(13) Based on the presence of nulliparous host-seeking flies, Tabanus pallidescens Philip and T. wilsoni Pechuman can be added to the list of tabanids found to be anautogenous.
(14) These studies document that E. risticii-infected cells can be retained on mouthparts and potentially transferred by tabanids.
(15) In only one of the 4 cases, a tick-bite can be asserted, the role in the the transmission of this kind of arthropods being strictly excluded in 2 of the 3 other cases (transmission likely by a mosquito and by a biting fly (tabanid?)).
(16) Tabanids were collected in an area in northern Germany, where pastured cattle were abundant.
(17) The paper concerns the possibility of decreasing the number of tabanid flies on pastures by means of ball- and funnel-shaped traps (of the Manitoba type) with insecticides and expediency of using the above method for the cattle protection that prevents the milk productivity loss by 6.7 to 8.3%.
(18) Parity, stage of follicular development, sperm and fructose presence were determined for 6 tabanid species from southwestern Quebec during 2 consecutive years.
(19) This is clearly seen in host-location strategies by tsetse and tabanids.
(20) Meteorological effects on activity were studied during 2 weeks of peak tabanid abundance.