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Setae on the legs of krill and other small crustaceans help them to gather phytoplankton. It captures them and allows them to be eaten. Setae on the integument of insects are unicellular, meaning that each is formed from a single epidermal cell of a type called a trichogen, literally meaning "bristle generator". They are at first hollow and in ...
being like or having the nature of a seta or of setae; setose; setose bearing, or covered in setae. setula Diminutive of seta. A small chitinous hair or bristle. setulose bearing, or covered in setulae. shade see central shade spiracle Respiratory openings on the thorax and abdomen that allow air to enter the trachea. sporophagy feeding on ...
Trichobothria (singular trichobothrium) are elongate setae ("hairs") present in arachnids, various orders of insects, and myriapods that function in the detection of airborne vibrations and currents, and electrical charge. [1] In 1883, Friedrich Dahl observed that they were deflected by the sound waves from a violin and labelled them 'hearing ...
In most species of bees, the scopa is simply a dense mass of elongated, often branched, hairs (or setae) on the hind leg. When present on the hind legs, the modified hairs are, at a minimum, on the tibia, but some bees also have modified hairs on the femur and/or trochanter.
Preening brush: a dense cluster of setae near the ventral tip of the posterior metatarsi; called a preening comb when present as a transverse row of setae. [22] Procurved: Used to describe a structure which is curved in such a way that the outer edges are in front of the central part; [22] opposite recurved
Male: Genital setae (g) represented by transparent disk . Genital setae distinctly (more than their diameter at base) anterior to progenital sclerites . Tarsal setae e III-IV absent. Setae s and w IV separated: w submedial, s subapical. Sclerotized portions of condylophores fused and incorporated into disto-ventral sclerotized tarsal wall.
They may be irregular or align in two or more rows. The number of rows, the number of setae in each row, the size and the thickness are significant. In many groups, the acrostical setae are replaced by setulae or hairs. prescutellar (psc) two acrostical bristles, more developed than the other acrosticals, inserted in front of the scutoscutellar ...
This is a glossary of some of the terms used in phytopathology.. Phytopathology is the study of plant diseases. It is a multi-disciplinary science since prerequisites for disease development are the presence of a susceptible host species, a pathogen and the appropriate environmental conditions.