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Most fairyflies possess wings with long bristles (marginal setae) on the fringes. The forewings usually have hypochaeta. These are small bristles (setae) which point distinctly backwards on the ventral surface of the wing membrane. [14] Fairyflies exhibit considerable variation in their wing shapes in comparison to other chalcidoids.
Kikiki is a genus of fairyfly wasps containing a single species, Kikiki huna, known from Hawaii, Costa Rica, Nagarcoil and Trinidad. At 0.15 mm (0.0059 in) (150 μm), it is the smallest flying insect known as of 2019. It is a close relative of wasps in the genus Tinkerbella.
The upperside is copper brown with dull blue at the bases of both wings. The underside of the hindwing is copper brown with white at the base; the fringe mostly white, with 3 small black spots near base, and a row of black spots at outer margin. The wingspan is 12–20 mm.
In bird flight aerodynamics, the area of interest is the total wing area, that is, the area of both wings plus the area of the intervening portion of the body known as the "root box". [10] The root box is estimated from a measurement of the wing width at the base (the root chord ) and the difference between the wingspan and two times the extent ...
The wings are moved by the rapid muscular contraction and expansion of the thorax. [11] The wings arise from the meso- and meta-thoracic segments and are similar in size in the basal groups. In more derived groups, the meso-thoracic wings are larger with more powerful musculature at their bases and more rigid vein structures on the costal edge. [7]
Wing structure and colouration often vary with morphs, such as in the aphids, migratory phases of locusts and polymorphic butterflies. At rest, the wings may be held flat, or folded a number of times along specific patterns; most typically, it is the hindwings which are folded, but in a few groups such as the vespid wasps, it is the forewings.
Anaphes nitens is a species of fairyfly, a chalcid wasp in the family Mymaridae. Native to Australia, it is an egg parasitoid of the gum tree snout beetle ( Gonipterus platensis ), a pest of Eucalyptus trees, and has been used in biological pest control of that species.
Gonatocerus ashmeadi is a species of fairyfly. Its natural range is Florida, Louisiana, northeastern Mexico, Mississippi, North Carolina, eastern Texas, and southern and central California. [1] [2] It is used to control the glassy-winged sharpshooter Homalodisca vitripennis (Hemiptera: Cicadellidae)