Instrumenta cibaria: mouth parts of a mandibulate insect as a whole.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Mallophaga: wool-eaters: an ordinal term applied to biting lice: wingless: mandibulate; thoracic segments similar; no metamorphosis: = Lipoptera.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Isoptera: equal winged: an ordinal term for insects with four, similar, net-veined wings; mouth mandibulate; thoracic rings similar, loosely jointed metamorphosis incomplete: the Termitidae.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Corrodentia: an ordinal term meaning gnawers: net-veined or wingless: mandibulate, mouth formed for gnawing; transformation incomplete; thorax incompletely agglutinated: = Psocoptera: includes.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Odonata: net-veined insects with mandibulate mouth; head free; thorax agglutinate; wings similar, elongate, flat; metamorphosis incomplete; copulatory organs of male near base of abdomen, separate from the testes.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Mecoptera: long-winged: neuropterous insects with similar, large, unfolded wings; mouth mandibulate, prolonged into a beak: head free; thorax agglutinated; transformations complete: the scorpion flies or Panorpidae.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Orthoptera: straight winged: an ordinal term applied to insects in which the primaries are not used in flight, but cover the longitudinally folded secondaries; mouth mandibulate; head set into prothorax, the latter free; metamorphosis incomplete.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Coleoptera: sheath-winged: an order with the primaries coriaceous, used as a cover only, meeting in a straight line dorsally; mouth mandibulate; pro-thorax free; transformation complete: the beetles: the term has also been applied to the two elytra together.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Platyptera: flat and broad-winged: an ordinal term applied to insects with four net-veined wings, secondaries longitudinally folded beneath primaries; mouth mandibulate; prothorax free; transformations complete: Psocidae, Termitidae, Perlidae and Mallophaga.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Neuroptera: nerve-winged: an ordinal term applied to insects with four net-veined wings; mouth mandibulate: head free: thorax loosely agglutinated; metamorphosis complete: in its older use, the term applied to all net-veined insects irrespective of metamorphosis or thoracic structure.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Labium: the lower lip: a compound structure which forms the floor of the mouth in mandibulate insects, behind the first maxilla and opposed to the labium; formed by a fusion in embryonic life of separate right and left maxilla-like halves: in some of its developments referred to as the tongue.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Maxilla: without any qualifying adjective, the second pair of jaws in a mandibulate insect; the most persistent when the mouth is modified, and represented by some functional part in all insects in which the mouth structures are useful: second maxillae, = the labium, or third pair of jaws in a mandibulate insect.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

Plecoptera or Plectoptera: plaited winged: an ordinal term applied to net-veined insects in which the secondaries are longitudinally folded beneath primaries; mouth mandibulate; body loosely jointed; prothorax free; metamorphosis incomplete: the term Plecoptera was used by Brauer for Perlidae; Plectoptera by Packard for the.    From Wordnik.com.  [Explanation of Terms Used in Entomology] Reference

It is, however, provided with the mandibles and other oral apparatus of the mandibulate group of insects, and it is only in this feature that any connection with the beetle can be traced.    From Wordnik.com.  [Chambers's Edinburgh Journal, No. 451 Volume 18, New Series, August 21, 1852] Reference

These homologies have never been made before, so far as the writer is aware, but they seem natural, and suggested by a careful examination and comparison with the above-mentioned mandibulate insects.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

The older entomologists divided insects into haustellate or suctorial, and mandibulate or biting insects, the butterfly being an example of one, and the beetle serving to illustrate the other category.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

In the biting lice (Mallophaga) the mouth is mandibulate; in the Thrips it is mandibulate, the jaws being free, and the maxillæ bearing palpi, while the Pediculi are suctorial, and the true bugs are eminently so.    From Wordnik.com.  [Our Common Insects A Popular Account of the Insects of Our Fields, Forests, Gardens and Houses] Reference

I feel great difficulty in conceiving by what natural process an insect with a suctorial mouth, like that of a gnat or butterfly, could be developed from a powerfully mandibulate type like the orthoptera, or even from the neuroptera.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 1] Reference

"There are, however, peculiar difficulties in those cases in which, as among the lepidoptera, the same species is mandibulate as a larva and suctorial as an embryo" (Lubbock.    From Wordnik.com.  [More Letters of Charles Darwin — Volume 1] Reference