資料來源 : pyDict
纓尾亞目
資料來源 : Webster's Revised Unabridged Dictionary (1913)
Insecta \In*sec"ta\, n. pl. [NL. See {Insect}.]
1. (Zo["o]l.) One of the classes of Arthropoda, including
those that have one pair of antenn[ae], three pairs of
mouth organs, and breathe air by means of trache[ae],
opening by spiracles along the sides of the body. In this
sense it includes the Hexapoda, or six-legged insects and
the Myriapoda, with numerous legs. See {Insect}, n.
2. (Zo["o]l.) In a more restricted sense, the Hexapoda alone.
See {Hexapoda}.
3. (Zo["o]l.) In the most general sense, the Hexapoda,
Myriapoda, and Arachnoidea, combined.
Note: The typical Insecta, or hexapod insects, are divided
into several orders, viz.: {Hymenoptera}, as the bees
and ants; {Diptera}, as the common flies and gnats;
{Aphaniptera}, or fleas; {Lepidoptera}, or moths and
butterflies; {Neuroptera}, as the ant-lions and
hellgamite; {Coleoptera}, or beetles; {Hemiptera}, as
bugs, lice, aphids; {Orthoptera}, as grasshoppers and
cockroaches; {Pseudoneuroptera}, as the dragon flies
and termites; {Euplexoptera}, or earwings; {Thysanura},
as the springtails, podura, and lepisma. See these
words in the Vocabulary.
Thysanura \Thys`a*nu"ra\, n. pl. [NL., fr. Gr. ? fringe + ?
tail.] (Zo["o]l.)
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}.
資料來源 : WordNet®
Thysanura
n : firebrats; silverfish; machilids [syn: {order Thysanura}]