| thysanoptera | <zoology> A division of insects, considered by some writers a distinct order, but regarded by others as belonging to the Hemiptera. They are all of small size, and have narrow, broadly fringed wings with rudimentary nervures. most of the species feed upon the juices of plants, and some, as those which attack grain, are very injurious to crops. Called also Physopoda. See Thrips. Origin: NL, from Gr. A fringe + a wing. Source: Websters Dictionary (01 Mar 1998) |
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| thysanopteran | <zoology> One of the Thysanoptera. Source: Websters Dictionary (01 Mar 1998) |
| Thysanosoma actinoides | Fringed tapeworm of sheep, a relatively short, thick tapeworm (family Anocephalidae) in which the posterior borders of the proglottids are fringed. It inhabits the small intestine, but often invades the bile ducts and causes many livers to be condemned for human food. It is essentially nonpathogenic and is common in stock-raising countries, where it infects a wide variety of ruminants; oribatid mites are probably the vectors. (05 Mar 2000) |
| thysanura | <zoology> An order of wingless hexapod insects which have setiform caudal appendages, either bent beneath the body to form a spring, or projecting as bristles. It comprises the Cinura, or bristletails, and the Collembola, or springtails. Called also Thysanoura. See Lepisma, and Podura. Origin: NL, fr. Gr. Fringe + tail. Source: Websters Dictionary (01 Mar 1998) |
| thysanuran | <zoology> One of the Thysanura. Also used adjectively. Source: Websters Dictionary (01 Mar 1998) |
| thysanurous | <zoology> Of or pertaining to the Thysanura. Source: Websters Dictionary (01 Mar 1998) |
| thysbe | <zoology> A common clearwing moth (Hemaris thysbe). Origin: NL, fr. L. Thisbe maiden beloved by Pyramus, Gr. Source: Websters Dictionary (01 Mar 1998) |