metascutumn.
/ˌmɛtəˈskjuːtəm/, U.S. /ˌmɛdəˈsk(j)udəm/ Entomology.
The scutum of the metathorax of an insect.
ΚΠ
1868 A. S. Packard Guide to Study of Insects 11 (caption) Metascutum.
1883 Amer. Naturalist 17 828 In the Hemerobina the metascutum is partially or (in Ascalaphus) wholly cleft, the præscutum and scutellum meeting on the median line of the thorax.
1890 Cent. Dict. Metascutum...is principally used in descriptions of Hymenoptera, Diptera, and Neuroptera, in which the metascutum generally forms an oblique or vertical surface behind the wings and above the insertion of the abdomen.
1938 Amer. Midland Naturalist 20 358 Metascutum with the usual two pairs of setæ.
1969 Jrnl. Austral. Entomol. Soc. 8 122 The modified lateral zones of the metascutum are scaleless.
1985 Proc. Royal Soc. B. 224 293 The hindwing base is a rounded socket formed ventrally by the mesoepimeron and metaepisternum (pleuron) and dorsally by the metascutum (metanotum).
This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).
<
n.1868