Grylloblattidae

(redirected from Grylloblattodea)

Grylloblattidae

[‚gril·ō′blad·ə‚dē]
(invertebrate zoology)
A monogeneric family of crickets in the order Orthoptera; members are small, slender, wingless insects with hindlegs not adapted for jumping.
References in periodicals archive ?
The Grylloblattodea have a large proventriculus lined with twelve" longitudinal divisions characterized by rows of flexible (unsclerotized), backwardly directed lamellae" (Walker 1949).
They belong to a monophyletic group included within the Orthopteroidea along with Orthoptera, Blattaria, Dermaptera, Dictyoptera, Grylloblattodea, and Mantophasmatodea (Flook & Rowel 1998).
There have been several hundred insect molecular dating studies since Gaunt and Miles's 2002 seminal paper, and these studies have provided dating estimates for 19 of the approximately 30 insect orders (Odonata, Plecoptera, Orthoptera, Phasmatodea, Isoptera, Blattaria, Mantodea, Grylloblattodea, Hemiptera, Phthiraptera, Thysanoptera, Coleoptera, Megaloptera, Neuroptera, Rhaphidioptera, Diptera, Hymenoptera, Lepidoptera and Trichoptera).
Mantophasmatodea se ubica como grupo hermano de Grylloblattodea.
Blattodea, Mantodea, Isoptera, Grylloblattodea, Phasmodea, Oermaptera, Embioptera.
Apparently in the Orthoptera, Mantodea, Phasmatodea, Grylloblattodea and Blattodea, the XO/XX condition is the primitive state, because the vast majority of species show this sex-chromosome system, indicating that evolutionary reversion from an XY/XX mechanism occurred in the common ancestors of these groups (White1940a, 1973, 1976; Hughes-Schrader 1947; Hewitt 1979).