dytiscidadj.n.

/dɪˈtɪsɪd/

Etymology: < Dytiscus, a genus of water-beetles, modern Latin corruption of Dyticus, < Greek δυτικός able to dive, < δύειν to dive.

Pertaining to the Dytiscidæ, a family of water-beetles. Also as n.

ΚΠ

1866 E. C. Rye Brit. Beetles x. 64 When ponds, etc., are dried up in the summer, the Dytiscides take to the wing.

1882 Sci. Trans. Royal Dublin Soc. 2nd Ser. II. 207 The most important characteristics of the Dytiscid head besides its short, broad form, are first, its great extension transversely behind the eyes..and second, the great extension of the eyes on the under surface.

1950 F. Balfour-Browne Brit. Water Beetles II. xii. 250 Sub-aquatic eggs of many insects, including those of Dytiscids, develop quite well on damp cotton-wool.

1950 F. Balfour-Browne Brit. Water Beetles II. xii. 252 The Symmetrid or Dytiscid type has rounded and very numerous suckers.

Derivatives

dytiˈscidiform adj.

ΚΠ

1882 Sci. Trans. Royal Dublin Soc. 2nd Ser. II. 228 Its [sc. Omophron's] epimeron is Dytiscidiform in shape... With respect to the size of the anterior pieces [of the mesothorax of Pelobius] it is Dytiscid rather than Carabid.

This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2018).

单词	dytiscid
释义	dytiscidadj.n. /dɪˈtɪsɪd/ Etymology: < Dytiscus, a genus of water-beetles, modern Latin corruption of Dyticus, < Greek δυτικός able to dive, < δύειν to dive. Pertaining to the Dytiscidæ, a family of water-beetles. Also as n. ΚΠ 1866 E. C. Rye Brit. Beetles x. 64 When ponds, etc., are dried up in the summer, the Dytiscides take to the wing. 1882 Sci. Trans. Royal Dublin Soc. 2nd Ser. II. 207 The most important characteristics of the Dytiscid head besides its short, broad form, are first, its great extension transversely behind the eyes..and second, the great extension of the eyes on the under surface. 1950 F. Balfour-Browne Brit. Water Beetles II. xii. 250 Sub-aquatic eggs of many insects, including those of Dytiscids, develop quite well on damp cotton-wool. 1950 F. Balfour-Browne Brit. Water Beetles II. xii. 252 The Symmetrid or Dytiscid type has rounded and very numerous suckers. Derivatives dytiˈscidiform adj. ΚΠ 1882 Sci. Trans. Royal Dublin Soc. 2nd Ser. II. 228 Its [sc. Omophron's] epimeron is Dytiscidiform in shape... With respect to the size of the anterior pieces [of the mesothorax of Pelobius] it is Dytiscid rather than Carabid. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2018). < adj.n.1866
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