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Dipteran morphology differs in some significant ways from the broader morphology of insects. The Diptera is a very large and diverse order of mostly small to medium-sized insects. They have prominent compound eyes on a mobile head, and (at most) one pair of functional, membraneous wings, [ 1 ] which are attached to a complex mesothorax.
Flies are insects of the order Diptera, the name being derived from the Greek δι- di-"two", and πτερόν pteron "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced mechanosensory organs known as halteres , which act as high-speed sensors of rotational movement and allow ...
Insect morphology is the study and description of the physical form of insects. ... antenna; b: ocelli; c:vertex; d ... In many Diptera, a deep incision of the anal ...
A summary of the main physical characteristics is: Antenna size (with eight or fewer flagellomeres) is reduced. In many species the third segment, the flagellum, is fused, except from a bristle called the arista that is sticking out from the fused flagellum. The arista consist of no more than three segments called aristomeres. [4] [5] [6]
For terms see Morphology of Diptera. Minute (1.6–5 mm) yellow, grey or grey-brown pruinose flies with whitish to greyish markings. The head is large with small antenna bearing bare to pubescent arista. The "mouth" is a large oval opening. There are three or four pairs of orbital bristles on the head directed outward (inset upswept).
The proboscis, as seen in adult Lepidoptera, is one of the defining characteristics of the morphology of the order; it is a long tube formed by the paired galeae of the maxillae. Unlike sucking organs in other orders of insects, the Lepidopteran proboscis can coil up so completely that it can fit under the head when not in use.
Antennae (sg.: antenna) (sometimes referred to as "feelers") are paired appendages used for sensing in arthropods. Antennae are connected to the first one or two segments of the arthropod head. They vary widely in form but are always made of one or more jointed segments.
Yukawa, J. (1971) A Revision of the Japanese Gall Midges (Diptera: Cecidomyiidae). Memoirs of the Faculty of Agriculture, Kagoshima University 8: 1–203. pdf Kolesik, P. (2014) A review of gall midges (Diptera: Cecidomyiidae: Cecidomyiinae) of Australia and Papua New Guinea: Morphology, biology, classification and key to adults.