| [economic significance of the prevention of losses caused by blood-sucking diptera in grazing dairy cows]. | it was was demonstrated in an experiment that the blood-sucking dipterous insects adversely affected the efficiency of cows on pasture; these cows showed a significantly decreased milk yield and milk fat percentage. the experiment was conducted in south bohemia at chlum u trebonĕ where seven species of gnats occurred in considerable abundancy, including the largest populations of aedes sticticus (meig.), ae. cinereus meig., ae. vexans meig. and ae. punctor kirby, which represented more than 80% ... | 1979 | 111393 |
| zymogram and life-history studies on trypanosomes of the subgenus megatrypanum. | of 13 swedish dairy cows examined, 12 (92.3%) were found to be infected with trypanosomes by cultivation of blood samples. of the two species of tabanid fly caught close to the cattle, 33.3% of the tabanus bromius and 8.6% of the haematopota pluvialis were also found to be infected with trypanosomes on dissection. isoenzyme patterns of trypanosome isolates from one h. pluvialis and from six cattle were identical, incriminating this fly species as a vector of the trypanosome. comparison of these ... | 1990 | 2123546 |
| feeding strategies of the horseflies hybomitra expollicata and tabanus bromius in southern france. | blood-feeding success of female horseflies, hybomitra expollicata pandellé and tabanus bromius l. (diptera: tabanidae), was studied. bloodmeal weights of flies permitted different periods of residence on a horse's belly were estimated, and related to subsequent ovarian development and the number of mature eggs produced. fitness gain per visit to a host (as estimated by the number of mature eggs produced) increased more rapidly with residence time on the host for h.expollicata than for t.bromius. ... | 1988 | 2980183 |
| transmission of trypanosoma theileri to cattle by tabanidae. | tabanids were collected in an area in northern germany, where pastured cattle were abundant. trypanosomatidae were identified in 14% of tabanids examined. twelve cattle became infected with trypanosoma theileri after applying usually 2-5 infected tabanids, to the intact oral mucosa. haematopota pluvialis, haematopota italica, hybomitra micans and tabanus bromius were identified as vectors. infective stages of trypanosoma theileri were identified in the gut and in the faeces of tabanids by transm ... | 1987 | 3658973 |
| [ultrafine structure of the malpighian tubules of hematophagous diptera]. | the ultrastructure of malpighian tubes of 5 species of bloodsucking diptera was studied: culicoides pulicaris, tabanus bromius, hybomitra schineri, haematopota pluvialis and stomoxys calcitrans. the malpighian tubes of the above species include the cells of two types. the most abundant cells of the 1st type contain many spherical inclusions which represent deposits of mineral compounds. the microvilli of the 1st type cells always contain mitochondria. cells of the 2nd type are characterized by a ... | 1985 | 3975070 |
| vasodilatory activity in horsefly and deerfly salivary glands. | salivary gland extract (sge) of four horsefly species (hybomitra bimaculata macquart, hybomitra ciureai séguy, tabanus bromius l., tabanus glaucopis meigen) and one deerfly species (chrysops relictus meigen) (diptera: tabanidae) were shown to contain vasodilatory activity. aliquots equivalent to 1, 5 and 10 pairs of salivary glands (sg) relaxed rat femoral artery (with intact endothelium) pre-constricted with phenylephrine. vasodilatory activity was dose-dependent. sge of one horsefly species (h ... | 2003 | 14651653 |
| ecological notes on tabanus bromius l., and haematopota pluvialis (l.), (diptera: tabanidae) of some flood areas in croatian sections of the river danube. | | 2004 | 15707298 |
| response of tabanidae (diptera) to natural and synthetic olfactory attractants. | the attraction of female tabanids to malaise traps and canopy traps baited with aged horse urine, 1-octen-3-ol, or a combination of aged horse urine and acetone was studied in the kopacki rit nature park in eastern croatia. malaise traps captured very few tabanids relative to canopy traps. the number of females of tabanus tergestinus and haematopotapluvialis collected from 1-octen-3-ol baited canopy traps differed significantly from traps baited with aged horse urine. however, the number of fema ... | 2005 | 16007967 |
| seasonal abundance of horse flies (diptera: tabanidae) from two locations in eastern croatia. | a total of 10,539 tabanid horse flies from 22 species and five genera was collected in the tikves forest within the kopacki rit nature park in eastern croatia. seasonal abundance was analyzed for the six most abundant species. tabanus maculicornis, tabanus tergestinus, and haematopota pluvialis reached their highest peak abundance in the fourth week of june. atylotus loewianus and tabanus bromius reached their highest peak of abundance in the first week of august, whereas tabanus sudeticus reach ... | 2005 | 16599170 |
| analysis of the feeding sites for some horse flies (diptera, tabanidae) on a human in croatia. | the landing patterns of horse flies on the human body were observed in croatia. a total of 386 horse flies belonging to 22 species were sampled. the five most commonly collected species were used in the analysis. the stochastic linear connection is tight among the landings of the species tabanus bromius, tabanus maculicornis, tabanus tergestinus, and philipomyia graeca on the human body regions (matrix r). the preferred feeding area for these four species was the lower leg, whereas for the speci ... | 2006 | 17243567 |
| response of tabanidae (diptera) to different natural attractants. | the response of female tabanids to natural attractants was studied in the monjoros forest along the nature park kopacki rit in eastern croatia. tabanids were caught in canopy traps baited with either aged cow, horse, sheep, or pig urine and also in unbaited traps. tabanids were collected in a significantly higher numbers in traps baited with natural attractants compared to unbaited traps. the number of females of tabanus bromius, tabanus maculicornis, tabanus tergestinus, and hybomitra bimaculat ... | 2006 | 17249343 |
| effects of horsefly (tabanidae) salivary gland extracts on isolated perfused rat heart. | the speed with which horseflies (diptera: tabanidae) obtain a bloodmeal suggests they have potent vasodilators. we used isolated perfused rat heart to examine the vasoactivity of salivary gland extracts (sges) of three horsefly species, hybomitra bimaculata macquart, tabanus bromius linnaeus and tabanus glaucopis meigen. administration of horsefly sges to the heart produced biphasic coronary responses: a decrease and subsequent increase in coronary flow (cf), characterized by initial vasoconstri ... | 2007 | 18092977 |
| responses of tabanidae (diptera) to canopy traps baited with 4-methylphenol, 3-isopropylphenol, and naphthalene. | the attraction of female tabanids to unbaited and single-baited canopy traps using 4-methylphenol, 3-isopropylphenol, and naphthalene was studied in three forest localities in eastern croatia. tabanids were collected in a significantly higher number in traps baited with these chemicals compared to unbaited control traps. the number of females of tabanus bromius, tabanus sudeticus, tabanus tergestinus, hybomitra ciureai, haematopota pluvialis, and tabanus maculicornis collected from 4-methylpheno ... | 2007 | 18260506 |
| an insight into the sialome of the horse fly, tabanus bromius. | blood feeding animals face their host's defenses against tissue injury and blood loss while attempting to feed. one adaptation to surmount these barriers involves the evolution of a salivary potion that disarms their host's inflammatory and anti-hemostatic processes. the composition of the peptide moiety of this potion, or sialome (from the greek sialo = saliva), can be deducted in part by proper interpretation of the blood feeder' sialotranscriptome. in this work we disclose the sialome of the ... | 2015 | 26369729 |
| blood-feeding patterns of horse flies in the french pyrenees. | horse flies can mechanically transmit besnoitia besnoiti, the agent of bovine besnoitiosis. although previously limited to enzootic areas, especially the french pyrenees mountains, bovine besnoitiosis is now considered a re-emerging disease in western europe. to improve understanding of the role of horse flies as mechanical vectors, this study investigated their blood-feeding ecology in the eastern french pyrenees, in two high-altitude summer pastures whose main domestic ungulates were cattle, a ... | 2014 | 24210525 |
| behavioural and electrophysiological responses of females of two species of tabanid to volatiles in urine of different mammals. | urine volatiles from different ungulates (cows, horses and sheep) were tested as bait for tabanids in southeastern france using nzi traps during the early summer of 2011. tabanus bromius linnaeus, 1758 and atylotus quadrifarius (loew, 1874) (both: diptera: tabanidae) were the most captured species, respectively representing 57% and 41% of all tabanids collected (all of which were female). horse urine significantly increased catches of t. bromius (1.6-fold) and a. quadrifarius (3.5-fold), and she ... | 2013 | 22681479 |
| seasonality and daily activity of male and female tabanid flies monitored in a hungarian hill-country pasture by new polarization traps and traditional canopy traps. | blood-sucking female tabanid flies cause serious problems for animals and humans. for the control of tabanids, the knowledge about their seasonality and daily activity is of great importance. earlier, only traditional traps capturing exclusively female tabanids have been used to survey tabanid activity. the data of such temporal trapping do not reflect correctly the activity of male and female tabanid flies. our major aim was to monitor the trapping numbers of male and female tabanids during a 3 ... | 2014 | 25193049 |
| spatial and temporal distribution of tabanidae in the pyrenees mountains: the influence of altitude and landscape structure. | in high-altitude summer pastures, horseflies (diptera: tabanidae) can be a serious nuisance to livestock, as well as mechanical vectors of animal diseases such as besnoitiosis, an enzootic disease in the pyrenees. however, the activity of horseflies in mountainous environments is poorly documented. to study the seasonality and distribution of tabanids in the pyrenees mountains, a sampling design was set up in two valleys on opposite sides of the mountain, one north-facing and one south-facing, a ... | 2014 | 23614942 |
| efficiency of colored modified box traps for sampling of tabanids. | the efficiency of ten differently colored modified box traps for collecting tabanids was studied in the monjoroš forest in eastern croatia. a total of 5,436 specimens belonging to 16 species of tabanids grouped into six genera were collected. the genus tabanus was the most represented with 98% of all collected tabanids. tabanus bromius comprised 90% of tabanids collected, and was the most abundant species collected in all box traps. the majority of tabanids (74%) were collected from black, brown ... | 2014 | 25514593 |
| olfactory and behavioural responses of tabanid horseflies to octenol, phenols and aged horse urine. | electrophysiological and behavioural responses of females of two tabanid species, tabanus bromius l. and atylotus quadrifarius (loew) (diptera: tabanidae), to ammonia, octenol (1-octen-3-ol), phenols and aged horse urine were compared. electroantennogram (eag) responses in both species to octenol, 4-methylphenol (4mp), 3-propylphenol (3pp) and a phenol mixture (4mp and 3pp at a ratio of 16 : 1) increased in a dose-dependent fashion. the most effective stimulus was 4mp and synergism between the t ... | 2014 | 24188243 |
| [revision of gadfly larvae of the group tabanus bromius (tabanidae)]. | new descriptions of three species and one subspecies of larvae of t. semenovi ols., t. regularis jaenn., t. laetetinctus laetetinctus beck., and t. l. sordes bog. et sam. as well as a key to larvae of the group t. bromius, excluding two rare species t. armenicus szil. and t. hissaricus bar., are given. such characters as shape and size of chaetoid fields on thoracic and abdominal segments and the character of pattern of the caudal segment are used. | 2007 | 3748605 |
| activity of tabanus bromius l. (tabanidae) in one observation area. | | 1977 | 143131 |