tegula

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tegula

(ˈtɛɡjʊlə)
n
one of a pair of coverings of the forewings of certain insectsan overlapping roof tile
References in periodicals archive ?
Black, A1 and legs including coxae light brownish; A2-A10, mandibles, tegulae and last segment of tarsi dark brown.
Building products included hypocaust tiles to support underfloor central heating systems, boxshaped flue tiles and also tegulae, the heavy flat roof tiles with a raised edge.
Thorax: Patagium and mesonotum dark brown with purplish luster; tegulae white, suffused with dark brown basally and distally.
Body unevenly reddish brown, lower half of head yellowish brown, and scutellum lighter brown; A1-A6, mandibles, tegulae and legs including coxae light brownish yellow, A7-A10 dark brown.
16, 26, 36) tricarinate, longer than vertex in middle line; anterior margin distinctly arched, posterior margin obtusely excavated, lateral carinae converging anteriorly; median carina distinctly ridged, not reaching anterior margin, with a short subcarinae between eyes and tegulae on each side.
Thorax black, pronotum with dark brown ventral part and yellow centre, tegulae dark brown, mesoscutellum and mesoscutellar appendage yellow.
Thorax brown; collar blackish, tegulae pale brownish white; abdomen dark brown.
External characteristics: Head, thorax and tegulae dark grey, almost black.
Total length was measured from the anterior margin of vertex to the abdominal apex and in macropters up to the apex of the wings; body width was measured at the external margin of tegulae.
Pronotum shiny, rugose; posterior surface very short, shorter than scutum (6:17); pronotal tubercles reaching tegulae.
2] diverging apically, Posterior half of apical tegmina dark brown, tegulae yellow; anal segment of male without long process, just with a convex lobe at left-ventral margin; aedeagus with distinct phallobase M.
Pronotum shiny, slightly granulated, with numerous slight striae on lateral regions; pronotum crossed by a strong posterior transverse furrow and a slight anterior transverse impression; posterior collar short; pronotal tubercles not reaching tegulae.