Both pairs of antennae are uniramous and comparatively short.
On both pairs of antennae a flagellum becomes developed and grows considerably in length.
Both pairs of maxillae are provided with respiratory plates; the second pair is footlike, and has at its base a glandular mass believed by Claus to be the equivalent of the Entomostracan shell-gland.
The under surface of both pairs of wings is much lighter and thickly mottled all over with light cream-colored spots of a large size and more or less triangular shape.
Upper surface white, strongly marked especially in the female with dark grayish brown on both pairs of wings.
The females are much more definitely marked, having the upper surface of both pairs of wings marked in black or brownish black in such a way as to enclose a large number of white diamonds.
It will be observed that the two following species of Selidosema exhibit protective colouring on both pairs of wings, these being invariably exposed when the insects are at rest.
They differ from the Diptera, however, in the general presence of palps to both pairs of maxillae, and in the absence of a hypopharynx, so it is possible that their relationship to the Diptera is less close than has been supposed.
Mandibles fused into a piercer; first maxillae developed as piercers; palps of both pairs of maxillae present; hypopharynx wanting.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "both pairs" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
