Mylacrotermitidae Engel, 2021

JIANG, RI-XIN, ZHANG, HONG-RUI, ELDREDGE, K. TARO, SONG, XIAO-BIN, LI, YAN-DA, TIHELKA, ERIK, HUANG, DI-YING, WANG, SHUO, ENGEL, MICHAEL S. & CAI, CHEN-YANG, 2021, Further evidence of Cretaceous termitophily: Description of new termite hosts of the trichopseniine Cretotrichopsenius (Coleoptera: Staphylinidae), with emendations to the classification of lower termites (Isoptera), Palaeoentomology 4 (4), pp. 374-389 : 380

Mylacrotermitidae Engel , fam. nov.

Type genus. Mylacrotermes Engel et al., 2007 .

Diagnosis. The Mylacrotermitidae share with Melqartitermitidae Engel , fam. nov. the presence of ventral cervical sclerite, the absence of ocelli, a large pronotum, wholly pentamerous tarsi, and a large forewing scale (vide supra), but are unique among termites in the absence of a defined forewing basal suture demarcating the scale. Instead, the forewing is gnawed off like the hind wing in Mastotermitidae and some other extinct families where the chew marks and rough edge can be observed where the hind wing is removed.