What's the difference between caterpillar and crawler?

Caterpillar


Definition:

  • (n.) The larval state of a butterfly or any lepidopterous insect; sometimes, but less commonly, the larval state of other insects, as the sawflies, which are also called false caterpillars. The true caterpillars have three pairs of true legs, and several pairs of abdominal fleshy legs (prolegs) armed with hooks. Some are hairy, others naked. They usually feed on leaves, fruit, and succulent vegetables, being often very destructive, Many of them are popularly called worms, as the cutworm, cankerworm, army worm, cotton worm, silkworm.
  • (n.) A plant of the genus Scorpiurus, with pods resembling caterpillars.

Example Sentences:

  • (1) "I am aware of the toxic nature of the caterpillars, but also aware that previous control methods have reduced the number of caterpillar nests from several dozen in 2011 to only three last year.
  • (2) Muscle fibers from fourth and fifth instar caterpillars were examined with scanning and thin section electron microscopy.
  • (3) The Very Hungry Caterpillar & Friends (£2.99) The Very Hungry Caterpillar & Friends is a reworking of Eric Carle’s classic book and illustrations, in the form of a digital “pop-up app” modelled after printed pop-up books.
  • (4) "It may be that thistle-cutting or spraying is unnecessary this summer because the caterpillars will defoliate them for you."
  • (5) An apparent circadian feeding pattern appeared on day 2 in the sham-operated caterpillars.
  • (6) Insect venom is likely injected into the skin through specialized caterpillar hairs when contact occurs with the insect (or vegetation laden with insect debris).
  • (7) Pine processionary moth (Thaumetopoea pityocampa) Processional pine caterpillar tent, near Benimaurell, Alicante Province, Comunidad Valenciana, Spain.
  • (8) The CAT system assures access for Caterpillar employees and their families to a selection of qualified surgeons, while achieving cost savings through improvements in processing of surgical claims and negotiation of selected fees.
  • (9) Bacterial luciferase, derived from a fusion of the luxA and luxB genes of Vibrio harveyi, has been expressed at very high levels in caterpillars and insect cells.
  • (10) The main components of the diets were fish, lactose free milk, caseinate, partial hydrolasate of albumin, fermented corn and soya (Soy-Ogi), medium-chain triglycerides, rice and the local foods manioc, peanuts and caterpillars.
  • (11) When else am I going to try fried caterpillar?” she wondered.
  • (12) The junctional structures present between the midgut cells of 3 lepidopteran caterpillars have been examined using freeze-etching, conventional staining and lanthanum tracer techniques.
  • (13) Insect juvenile hormones are metabolized in numerous species of caterpillars by low abundance, highly specific esterases.
  • (14) But Oates thinks the common blue should be doing better; its food plant, bird’s-foot-trefoil , will grow in gently cut garden lawns, its caterpillars can also feed on agricultural clovers in “improved” grassland.
  • (15) You can throw tarts at the Queen of Hearts, help the Caterpillar smoke his hookah pipe, make Alice grow as big as a house and then shrink again.
  • (16) The cell extracts from both clones were toxic to caterpillars.
  • (17) The changes in numbers of giant forms in the development course of populations in the caterpillars, pupae and imagos body of both species were studied.
  • (18) The principal locomotory appendages of the Manduca sexta caterpillar, the prolegs, are present on the third through sixth abdominal segments (anal prolegs located on the terminal segment were not included in this study).
  • (19) Oak processionary moth caterpillars cover a tree trunk.
  • (20) Two of the farms had army caterpillar (Mythimna convecta) infestations.

Crawler


Definition:

  • (n.) One who, or that which, crawls; a creeper; a reptile.

Example Sentences:

  • (1) The landmark move, widely rumoured after Sony’s The Amazing Spider-Man 2 received only middling reviews and picked up a franchise-worst box-office haul last year, also looks likely to mean the instalment of a new actor as the masked wall crawler.
  • (2) "The old internet is shrinking and being replaced by walled gardens over which Google's crawlers can't climb," he noted earlier this year , as Facebook prepared its flotation.
  • (3) Relative to the performance of crawlers, noncrawlers showed lower average and subtest-specific performance on selected measures of the Miller Assessment for Preschoolers.
  • (4) Creepers with a dissociated pattern of learning to sit and crawlers with muscular hypotonia were found to have an increased risk for later handicap.
  • (5) But Western countries have been slow to adopt this trend , with television shows like “Fear Factor” reliably triggering disgust in viewers by feeding squirming creepy crawlers live to contestants.
  • (6) The fliers showed higher superoxide dismutase and catalase activities and glutathione concentration than crawlers, whereas, the amount of inorganic peroxides (H2O2) and TBA-reactants was higher in the crawlers than in fliers.
  • (7) All houseflies lose flying ability prior to death, whereby, in an aging population, shorter-lived flies can be identified as flightless 'crawlers' from their longer-lived cohorts, the 'fliers'; the average lifespan of crawlers is about one-third shorter than the fliers.
  • (8) Life expectancy of crawlers is about one-third shorter than that of the fliers.
  • (9) The children of each type were divided into two groups according to the ability of locomotion at the age of 4 years; S- I: 6 walkers, S- II: 9 crawler, A- I: 11 walkers and A- II: 10 crawler.
  • (10) Neither crawlers nor fliers exhibited any physical damage to their chemoreceptive tarsi, thereby ruling out starvation as a probable cause of death.
  • (11) I don’t want this, I have the abilities to work, why are they taking my job away?” Former detective superintendent Alan Caton, who led Ipswich’s response to the murders of five women who worked as prostitutes in 2006, emphasised a different approach, that police had successfully operated a “zero tolerance” approach to sex work after the murders – cracking down on kerb crawlers, while not prosecuting women.
  • (12) "For example, all the information in apps – that data is not crawlable by web crawlers.
  • (13) The department sent undercover officers, codenamed "rakers", into Muslim neighbourhoods, and ran a network of informants known as "mosque crawlers" to monitor sermons – even when there had been no evidence of criminality.
  • (14) A third study found that the quality of locomotion affected object permanence performance: Belly crawlers performed differently than infants with hands-and-knees or walker experience, insofar as they performed at prelocomotor levels regardless of weeks of locomotor experience.
  • (15) Webroot's Phileas web crawler has catalogued nearly 90,000 web pages that might be able to download malware on to PCs, often using exploits (security holes) to sneak their payloads into your web browser.
  • (16) A higher percentage in the index group were late crawlers (greater than 10 months), but similar proportions in both groups were bottom-shufflers or simply stood up and walked.
  • (17) Patterns of exploration varied with the information presented and differed for crawlers and walkers in the case of a deformable surface, as an affordance theory would predict.
  • (18) Compared with the standard, the deforming surface elicited longer latency, more exploratory behavior, and more displacement in walkers, but not in crawlers, suggesting that typical mode of locomotion influences perceived traversability.
  • (19) Actomyosin ATPase activity was higher in the fliers than in the crawlers of the same age.
  • (20) In an effort to uncover terrorist plots, so-called "rakers" or "mosque crawlers" – typically paid NYPD informants – were sent to Muslim student association meetings, businesses, universities, restaurants, whitewater rafting trips and more than 250 mosques in New York, New Jersey, Connecticut, Pennsylvania and elsewhere.