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Description: Insect antennae types- The antennae consist of the Scapus at the base which is usually larger in size than the following segments.Next is the Pedicellum followed by the Flagellum which can consist of one or many parts called Flagellomeres.
Large antennae on a longhorn beetle. 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.
Brachycera antenna Planthopper nymph (immature). Antenna displaying an arista. In insect anatomy, the arista is a simple or variously modified apical or subapical bristle, arising from the third antennal segment. It is the evolutionary remains of antennal segments, and may sometimes show signs of segmentation. These segments are called aristameres.
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[3] Adults are large-bodied and black, with very long antennae; in males, they can be up to twice the body length, but in females they are only slightly longer than body length. Both sexes have a white spot on the base of the wings, and may have white spots covering the wings. Both males and females also have a spine on the side of the ...
A comparison of the side view of T. sessile (below) and a diagram of the a typical ant body (below) shows how T. sessile’s gaster sits atop its petiole. This leads to a very small petiole and to the gaster being pointed downward. The anal pore then opens ventrally (toward the abdomen) instead of distally. [8] Their antennae have 12 segments. [6]
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Adult houseflies are usually 6 to 7 mm (1 ⁄ 4 to 9 ⁄ 32 in) long with a wingspan of 13 to 15 mm (1 ⁄ 2 to 19 ⁄ 32 in). The females tend to be larger winged than males, while males have relatively longer legs. Females tend to vary more in size [2] and there is geographic variation with larger individuals in higher latitudes. [3]