| 释义 |
dytiscid, a. and n.|dɪˈtɪsɪd|
[f. Dytiscus, a genus of water-beetles, mod.L. corruption of Dyticus, a. Gr. δυτικός able to dive, f. δύειν to dive.]
Pertaining to the Dytiscidæ, a family of water-beetles. Also as n. Hence dytiˈscidiform a.
1866E. C. Rye Brit. Beetles x. 64 When ponds, etc., are dried up in the summer, the Dytiscides take to the wing. 1882Sci. Trans. R. 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. Ibid. 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. 1950F. 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. Ibid. 252 The Symmetrid or Dytiscid type has rounded and very numerous suckers. |