acrostichal
/əˈkrɒstɪkl/Entomology
adjective
Of the bristles on the mesothorax of some dipteran flies: arranged in rows on the dorsal part of this (the mesonotum).
noun
An acrostichal bristle.
Origin
Late 19th century. From acro- + ancient Greek στίχος row, line + -al, after German acrostichal.