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Electroantennography is usually performed either by removing an antenna from the insect and inserting two chloride silver wires for contact onto the two ends and amplifying the voltage between them while applying an odor puff to see a deflection as in the figure, or by leaving the animal intact and inserting a ground wire (silver/silver chloride) or a glass electrode filled with a buffer ...
The main goal of this is to restrain the insect and prevent any movement from interfering with the recording quality. The pipette tip containing the insect is fixed to a microscope slide facing upwards, then the antennae are fixed using a glass microcapillary, wax, or tape; manipulating it until the desired orientation is attained.
Candlewicking, or candlewick is a form of whitework embroidery that traditionally uses an unbleached cotton thread on a piece of unbleached muslin. It gets its name from the nature of the soft spun cotton thread, which was braided then used to form the wick for candles. Motifs are created using a variety of traditional embroidery stitches as ...
Antennae can also locate other group members if the insect lives in a group, like the ant. The common ancestor of all arthropods likely had one pair of uniramous (unbranched) antenna-like structures, followed by one or more pairs of biramous (having two major branches) leg-like structures, as seen in some modern crustaceans and fossil ...
Campaniform sensilla are located in regions where stress is likely to be high, including on the legs, antennae, wings, and halteres. [7] [8] [9] Sensilla may occur alone, but sensilla with similar orientations are often grouped together. Distribution of groups of campaniform sensilla on a stick insect leg (anterior view).
Commercial machine embroidery in chain stitch on a voile curtain, China, early 21st century. Machine embroidery is an embroidery process whereby a sewing machine or embroidery machine is used to create patterns on textiles. It is used commercially in product branding, corporate advertising, and uniform adornment.