acrostichal, a. (n.) Ent.
(əˈkrɒstɪkəl)
[a. G. acrostichal (J. Mik Dipterolog. Untersuchungen, 1878).]
‘Situated in the highest rank or row—used of certain bristles on the mesonotum of muscoid flies’ (Webster). Also ellipt. as n.
| 1884 C. R. Osten-Sacken in Proc. Ent. Soc. Washington 509 The intermediate pair of rows is represented by two, sometimes one..row of peculiar, minute bristles, which Prof. Mik calls the acrostichal bristles. 1925 Imms Textbk. Ent. iii. 601 Thoracic Bristles..Acrostichal: a row along each side of median line. 1939 Webster Acrostichal n., an acrostichal bristle. 1961 J. E. Collin Empididae i. 59 Very short biserial acrostichal bristles... There may, however, often be a distinct posthumeral bristle, and all except the acrostichals may be longer and stronger. |