(n.) An insect belonging to the genus Pulex, of the order Aphaniptera. Fleas are destitute of wings, but have the power of leaping energetically. The bite is poisonous to most persons. The human flea (Pulex irritans), abundant in Europe, is rare in America, where the dog flea (P. canis) takes its place. See Aphaniptera, and Dog flea. See Illustration in Appendix.
Example Sentences:
(1) The combined immediate and delayed responses to fleas in the dog are as observed by other investigators in man and guinea pigs.
(2) Repellent effect of the Mannich bases (methoxyphenol derivatives) on Aedes aegypti mosquitoes and Xenopsylla cheopis fleas was revealed under laboratory and field conditions.
(3) Rats were caught, and they and their fleas were identified.
(4) Efficacy of polyvinyl chloride collars containing temephos [0,0'-(thiodi-4,1-phenylene) 0,0,0',0'-tetramethyl bis-(phosphorothioate)] was elevaluated in dogs and cats against the cat flea (Ctenocephalides felis).
(5) Thus, has been shown a leading role of transmission of plague microbe by fleas in the maintenance of natural nidality of this zoonosis.
(6) The results indicate that some cat-allergic patients have specific IgE both towards cat and cat flea but also that some of the patients with suspected cat allergy might have specific IgE towards the cat flea and not the cat.
(7) Over 60 forms of parasites were found out as follows: three species of blood parasites, 12 species of Coccidia, 8 species of cestodes, 12 species of nematodes, one species of Acanthocephalus, three species of chigger mites, 15 species of gamasid mites, 6 species of ixodid ticks, fleas and lice.
(8) Dissection of fleas gave, however, positive results.
(9) Hungry but previously "prepared" for winter fleas lived at a temperature from 0 to 2 degrees not more than 376 days.
(10) The 12 additional arthropod species recorded from the woodland mice consisted of 1 nidicolous beetle, Leptinus orientamericanus; 1 bot, Cuterebra fontinella; 3 fleas, Ctenophthalmus pseudagyrtes, Orchopeas leucopus and Peromyscopsylla scotti; 1 tick, Dermacentor variabilis; 2 mesostigmatid mites, Androlaelaps fahrenholzi and Ornithonyssus bacoti; 3 chiggers, Comatacarus americanus, Euschoengastia peromysci, and Leptotrombidium peromysci; and 1 undescribed pygmephorid mite of the genus Pygmephorus.
(11) He and bassist Flea wrote letters of support to the women, which have been given to them in prison.
(12) All these hosts carried a lower proportion of reproductive fleas than their monthly sample proportion.
(13) It was considered that Ctenocephalides canis could be of great public health significance in this area in view of the high population of the flea.
(14) Infection in humans or animals by the common tapeworm of dogs and cats (Dipylidium caninum) requires ingestion of the intermediate host, the dog or cat flea containing the larva (cysticercoids) of the agent.
(15) Rabbit fleas Spilopsyllus cuniculi (Dale) were present on both sexes of rabbit at all times of the year.
(16) The larval flea diet had a small effect on the subsequent cestode development and the adult fleas' reaction to it.
(17) Almost all the patients with HP who were studied show hypersensitivity to flea bites.
(18) However, if, after six days, the fleas were transferred from an environment of 18 degrees C to one at 24 degrees C or 30 degrees C, the rickettsial growth increased by two or three logs within one week.
(19) Following exposure, samples of flea eggs were processed for microscopic examination and seeded onto carpet swatches containing flea-rearing medium in order to assess egg hatch, and larval, pupal, and adult development.
(20) When the number of fleas was increased to 250 and 500 specimens the progeny decreased in number.
Flew
Definition:
() imp. of Fly.
(imp.) of Fly
Example Sentences:
(1) "I was eight in 1983, but I remember a plane that flew low over our Bulawayo suburb and army loud-hailers screaming: 'You are surrounded.'
(2) But first he flew to Saudi Arabia to make the religiously encouraged pilgrimage to Mecca; he found himself stranded in Bahrain after he was unable to enter Kenya.
(3) Two weeks after the July 7 suicide bomb attacks that killed 52 London commuters and injured more then 750, Shahid, a young Londoner who had just completed his fourth year at medical school, flew to Pakistan .
(4) Twenty-one subjects flew aboard a KC-135 aircraft operated by the National Aeronautics and Space Administration (NASA) which performed parabolic maneuvers resulting in periods of 0-g, 1-g, and 1.8-g. Each subject flew once with a tablet containing scopolamine and once with a placebo in a random order, crossover design.
(5) The day after last Monday's trial, he flew to Switzerland from East Midlands airport to try to dissuade the government there from building a new coal plant.
(6) The German authorities confirmed that Abedi flew to the western German city of Düsseldorf, four days before the Manchester attack.
(7) They could be playing these people – Morales, Chesimard – off as pawns.” While Cuba was once an attractive destination for criminals, revolutionaries and skyjackers – 34 of 62 American plane hijackers flew to Cuba in 1969 – Fidel Castro lost patience with the swarm as early as the 70s.
(8) The French president, François Hollande, flew into the Central African Republic on Tuesday evening following an announcement earlier confirming the deaths of two French soldiers in clashes with militia forces they had ordered to disarm – the first losses in the French campaign in its former colony.
(9) When I flew to Salisbury shortly afterwards, the man in the next seat was clutching a thick polythene bag full of small metal objects.
(10) Pilots would have feared return fire if they flew close to check who was in the vehicles, the guide said.
(11) Had one of three efforts from open play that all flew inches wide also found the corner, it would have crowned one of this Premier League season’s better individual performances.
(12) The shirt commemorates a piece of Orwellian newspeak that flew from the lips of Trump adviser Kellyanne Conway on NBC’s Meet the Press on Sunday.
(13) He flew into Britain on Monday on an Easyjet flight from Madrid accompanied by two detectives from City of London Police.
(14) Andy Hill, a 51-year-old former RAF instructor with more than 12,000 hours of flying experience, is a skilled aerobatic flyer and a regular at airshows, said fellow pilot, who flew earlier in the show.
(15) To be clear: nearly 100 Roma flew back to Bucharest on 19 August, 1040 since January 2009.
(16) If that means you have to build strong relationships sometimes with regimes that you don’t always agree with, that I think is part of the job and that’s the way I do it and that’s the best way I can explain it.” Government buildings flew the union flag at half mast for 12 hours on the day of the death of the king last month on the instructions of the Department for Culture, Media and Sport, which said it was acting in line with protocol for the death of a foreign monarch.
(17) Dramatic film of the incident in May was captured as the plane flew over London.
(18) The government has so far arrested 34 people over the jailbreak, including a man suspected of being a pilot who flew Guzmán away from the site after his escape.
(19) It flew over the statehouse dome from 1962 until 2000, when it was moved to its current location at a civil war memorial on the building grounds.
(20) Kerry flew into the Afghan capital in an attempt to salvage the faltering political and technical agreements that he had brokered between Ghani and his presidential rival, Abdullah Abdullah .