(n.) One of the Insecta; esp., one of the Hexapoda. See Insecta.
(n.) Any air-breathing arthropod, as a spider or scorpion.
(n.) Any small crustacean. In a wider sense, the word is often loosely applied to various small invertebrates.
(n.) Fig.: Any small, trivial, or contemptible person or thing.
(a.) Of or pertaining to an insect or insects.
(a.) Like an insect; small; mean; ephemeral.
Example Sentences:
(1) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
(2) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(3) After treatment of larvae of instar 1 at preimago stages about 77% of the insects died.
(4) The presence of potential insect vectors and the occurrence of clinical signs are indications of active transmissions.
(5) Spectrophotometric tests for the presence of a lysozyme-like principle in the serum also revealed similar trends with a significant loss of enzyme activity in 2,4,5-T-treated insects.
(6) Radiation inactivation and simple target theory were employed to determine the molecular weight of an insect CNS alpha-bungarotoxin binding component in the presence and absence of a cross-linking reagent, dimethyl suberimate.
(7) Bacillus thuringiensis subspecies kurstaki (Btk) and subspecies berliner (Btb) both produce lepidopteran-specific larvicidal protoxins with different activities against the same insect species.
(8) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(9) Compounds identified as sex attractant pheromones in a number of phytophagous insects were found in a variety of host plants.
(10) casseliflavus from 43.5% of members of the 37 taxa of insects.
(11) This is the first demonstration of a 2-hydroxylated carotenoid in an insect.
(12) Among the most highly expressing transformed plants for each gene, the plants with the partially modified cryIA(b) gene had a 10-fold higher level of insect control protein and plants with the fully modified cryIA(b) had a 100-fold higher level of CryIA(b) protein compared with the wild-type gene.
(13) Expression of these two cDNAs in insect cells by recombinant baculovirus revealed that the alpha 1 subunit, after noncovalent association with the beta subunit, has the same potency as the native alpha subunit purified from the pituitary.
(14) We have examined the organization of the repeated and single copy DNA sequences in the genomes of two insects, the honeybee (Apis mellifera) and the housefly (Musca domestica).
(15) But pipeline opponents say that by moving beetles from the Nebraska sandhills and mowing miles of grass where the insects once lived, TransCanada has illegally begun construction on the project.
(16) The complete amino acid sequence of 147 residues was determined automatically for a major dimeric component (CTT VI) of the insect larva Chironomus thummi thummi (Diptera).
(17) Peptides B and C are isoforms of a 43-residue peptide which contains 6 cysteines and shows significant sequence homology to insect defensins, initially reported from dipteran insects.
(18) The results suggested that allergenic cross-reactivity between some fly species exists, and may extend to taxonomically unrelated insect species.
(19) The species studied were Triatoma infestans, Triatoma brasiliensis, Triatoma vitticeps, Triatoma pseudomaculata, Rhodnius prolixus and Panstrongylus megistus, and 34 to 348 insects were studied in each group (average, 190).
(20) There is evidence that they might predate on our native shrimps, on our insect larvae, possibly fish eggs.
Louse
Definition:
(n.) Any one of numerous species of small, wingless, suctorial, parasitic insects belonging to a tribe (Pediculina), now usually regarded as degraded Hemiptera. To this group belong of the lice of man and other mammals; as, the head louse of man (Pediculus capitis), the body louse (P. vestimenti), and the crab louse (Phthirius pubis), and many others. See Crab louse, Dog louse, Cattle louse, etc., under Crab, Dog, etc.
(n.) Any one of numerous small mandibulate insects, mostly parasitic on birds, and feeding on the feathers. They are known as Mallophaga, or bird lice, though some occur on the hair of mammals. They are usually regarded as degraded Pseudoneuroptera. See Mallophaga.
(n.) Any one of the numerous species of aphids, or plant lice. See Aphid.
(n.) Any small crustacean parasitic on fishes. See Branchiura, and Ichthvophthira.
(v. t.) To clean from lice.
Example Sentences:
(1) The prevalence of head louse Pediculus capitis Deg.
(2) The bushbuck were infested with 8 ixodid tick species, 2 louse species and a louse-fly species.
(3) The louse (Menacanthus stramineus) and the lone star tick (Amblyomma americanum) were the only parasites recovered.
(4) The common duiker harboured 7 tick species and 2 louse species.
(5) The ultrastructure of the Malpighian tubes in human louse Pediculus humanus corporis has been studied.
(6) In one brief moment a soldier thoughtfully removes a louse from his girl’s army jacket before kissing her.
(7) The louse-fly, Lipoptena paradoxa, was recovered from some of the bushbuck from October to May.
(8) Some of the treated cows were identified as carriers of louse infestation (subgroups A1 and C1), while others were noncarriers (subgroups A2 and C2).
(9) Besides other factors for such a high prevalence, the lack of health education of family members may play a crucial role in transference and louse infestation.
(10) A prospective study of 120 louse-borne relapsing fever (LBRF) patient admitted to Mekele Regional Hospital, Tigray, Ethiopia from September to November 1991 was done.
(11) However, juvenile wild fish, which migrate from the rivers to the sea each spring, are simply not designed to cope with more than the odd louse.
(12) One hundred and sixty patients with louse-borne relapsing fever were treated with a combination therapy of procaine penicillin and tetracycline.
(13) Based on evidence of intercellular cohesion, as seen in the histologic results, the patients were placed into two subtypes, compact growth type and louse structure type.
(14) At the end of the trial the mean red blood cell and mean total blood content of one louse was evaluated at 0.157 microliters and 0.443 microliters respectively, using 51Cr, and 0.120 microliters and 0.350 microliters respectively, using 59Fe.
(15) New host records are given for two species of Acari, one of louse, and one of flea.
(16) This sucking louse is typically parasitic on domestic rats, which are murid rodents.
(17) To evaluate the efficacy and to determine the minimum effective dosage of four pediculicides against head louse infestation, as well as to select a safe, effective, practical, and cheap agent, 1,657 infested school children in 25 primary schools in Szu-Hu, Kou-Hu, and Ku-Keng Districts of Yunlin County were treated and 1,611 of them were examined.
(18) Three 2-(2-phenylethyl) chromone derivatives were isolated from the ethyl acetate soluble fraction of the alcoholic extract of Aquilaria sinensis (Lous.)
(19) Louse-borne relapsing fever (LBRF) is an acute febrile illness endemic Ethiopia.
(20) During recent archaeological excavations in Viking Greenland, specimens of the human flea, Pulex irritans L., and the body louse, Pediculus humanus humanus L., were recovered from several farmsteads.