Prognathous. Metanotum. Cornea. answer comment .. 1 Answer. In adult Odonata, an arch-shaped vein connecting radius and median near base of wing, forming an elongate triangle between them. The cast-off outer skin of an insect or other arthropod.
1750–60;
Metamorphosis of this kind is said to be complete. Palps have a sensory function and play a major role in tasting food. Having a body process or part that suggests a lid. Pertaining to the adult or imago. In Collembola, the fourth segment of the leg. Scutellum. In some Acrididae, making a crackling noise by snapping the hindwings in flight.
Restricted to a well defined geographical region. A sclerotized plate in the exoskeleton or integument.
Eversible. Claw. The heaviest known insect is a scarab beetle. Face. Sclerites at base of wing. A sclerotized hair-like structure of the insect cuticle, arising from a single cell, and surrounded at base by thin cuticular ring. Insect gills are usually very fine outgrowths from the body and they contain numerous air-tubes, or tracheae. Hypopharyngeal. Flagellum. Arculus. An insect's foot: primitively a single segment beyond the tibia, but usually consisting of several subdivisions or segments in most living insects. The tough, horny forewing of a beetle or an earwig. What Is The Difference Between “It’s” And “Its”? Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Scutellum_(insect_anatomy)&oldid=955582787, Articles needing additional references from December 2009, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 May 2020, at 16:26. Circular sensory organs on antennae or legs. The second (middle) tagma of an insect’s body is called the thorax.
Clavus. The Insect Families of British Columbia. Cuneus. Striate. They open to the air at the spiracles.
Raptorial.
Labrum. The legs and wings (if present) are always attached to the thorax. Adapted for seizing and grasping prey, like the -front legs of a mantis. Function of the scutellum in oat kernels? The middle and usually the largest division of the mesonotum. One of the basally thickened fore wings of Hemiptera. Bladder-like appendages arising ventrally between claws. Touching - usually applied to eyes (see also Holoptic).
Palp.
Emarginate. Having the form of a tubercle. One of the minute tubes which permeate the insect body and carry gases to and from the various organs etc.
They usually occur on the third thoracic segment and all the abdominal. Structurally, the thorax is composed of three body segments: prothorax, mesothorax, and metathorax. 0 votes . Quadrangle. Same as anal area or lobe of wing.
More than a century of debates and observations has culminated in two prominent hypotheses on the origin of insect wings. Paraproct. Pala. IV (of 4). Instar. Flagellomere. Omnivorous. Extending horizontally forward: applied especially to antennae. Having a vertical head and face with the mouth-parts at the bottom. Small, thickened, and coloured area near the wing-tip of dragonflies, bees, and various other clear-winged insects: also called the pterostigma. Two-pronged, or divided into two branches or parts. Function of the scutellum? Forked spring or leaping appendage on fourth abdominal segment of Collembola. Tenaculum.
Eye made up of an aggregation of separate visual elements, known as ommatidia, each of which corresponds to a single facet of the cornea. Cells. Wingpad. Ectognathous. The 1st or anterior thoracic segment.
The outer layer of the insect. In Anoplura, angular part of head behind the antenna. Phylogenetic.
The insect head was designed primarily for sensory purposes because of the fact that the eyes and the antenna of an insect … On the other hand, the changes may be much greater and they may take place in one big step - as in the butterflies and moths, which change from caterpillars to adults during the pupal stage. Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=Scutellum_(insect_anatomy)&oldid=955582787, Articles needing additional references from December 2009, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 May 2020, at 16:26. A conical pointed projection, as a small tooth. Relating to, affecting, or being near the rectum. Adapted for seizing or grasping especially by wrapping around. Cryptic. Lowest part of the insect face, just above the labrum. A seta conspicuously larger than adjacent setae. Frons. A more or less triangular region of the forewing of certain heteropteran bugs, separated from the corium by a groove or suture. Proleg. These changes may be gradual and not too large, as in the grasshopper, and metamorphosis is then said to be partial or incomplete.
Having a more or less horizontal head, with the mouth-parts at the front. Groove running across or along the body: applied especially to the grooves on beetle elytra. The usual three castes are queen, drone (male), and worker. Antenna (pl., Antennae). Ecomorphosis. External sulcus of pleural apophysis.
[1] In Diptera and Hymenoptera the scutellum is nearly always distinct, but much smaller than (and immediately posterior to) the mesoscutum. Plural scutella. Cubitus (Cu). Groups of individuals that become irreversibly behaviorally distinct at some point prior to reproductive maturity. Costa (C). Sessile. The dorsal sclerite of the 2nd thoracic segment - the mesothorax: usually the largest thoracic sclerite. The distal (furthest away from the body) part of the antenna, the 3rd primary segment of the antenna. Bearing very small tooth-like projections. 2008. 1 Answer. Triangle. The mouthparts, or appendage on the sixth head segment, forming a 'lower lip'. The 3rd and last segment of the thorax. Four-sided discoidal cell in Odonata wing, positioned between the anterior median and posterior cubitus, and immediately distal to posterior segment of arculus. They are the much-modified hindwings. Capable of being turned outward or inside-out. What is the function of the coleoptile in a plant? Ectoparasite. When it is a triangular elevated prominence resembling a scutellum. Crochets. Having tubercles: small knob-like or rounded protuberances. With an apical knob-like enlargement. Stria. E-Fauna BC: Electronic Atlas of the Fauna of British Columbia. Tubercle. The scutellum is the posterior portion of either the mesonotum or the metanotum of an insect thorax; however, it is used almost exclusively in the former context, as the metanotum is rather reduced in most insect groups.In the Hemiptera, and some Coleoptera, the scutellum is a small triangular plate behind the pronotum and between the forewing bases. A shieldlike bony plate or scale, as on the thorax of some insects. sexual-reproduction-in-flowering-plants. This region is almost exclusively adapted for locomotion -- it contains three pairs of walking legs and, in many adult insects, one or two pairs of wings. A parasite that lives on the outside of its host. Of or relating to an end, extremity, or boundary. A phenomenon where certain life stages are characterized by reduced activity and distinct morphological change. They assist with the detection and manipulation of food and are often drawn out into tubular structures for sucking up liquids. Outer covering of insect, secreted by the epidermis. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020, C18: from New Latin: a little shield, from Latin, Collins English Dictionary - Complete & Unabridged 2012 Digital Edition Needle-like form: applied to the various components of piercing mouthparts and also to a part of the sting of a bee or other hymenopteran. A small projecting body part similar to a nipple in form. Proboscis. Files are available under licenses specified on their description page. Cuticle covering the compound eye or ocellus.
One of the pair of small tubular outgrowths on the hind end of the aphid abdomen. Producing eggs which are hatched outside the body of the female. In Coccoidea, a pair of normally capitate setae at inner base of tarsal claws. Primary phallic lobes. Feeding on a variety of plants and or animals. [1] In Diptera and Hymenoptera the scutellum is nearly always distinct, but much smaller than (and immediately posterior to) the mesoscutum. Micropterous. Capable of rotating, or turning entirely around. Parallel-sided and sharply pointed anal area of hemelytron. The appendages like a pair of compound eyes, 0-3 ocelli, a pair of antenna and mouth parts are called as Cephalic appendages . The arrangement of veins in the wings of insects. One of the simple eyes of insects, usually occurring in a group of three on the top of the head, although one or more may be absent from many insects. Pygidium. Punctate. division or disunion, especially into mutually opposed parties. Annulate. Email me at this address if a comment is added after mine: Email me if a comment is added after mine. To make a sound by rubbing two ridged or roughened surfaces together. ; I. Dimorphic. The second, usually unbranched, longitudinal wing vein, posterior to the costa. Name given to the changes that take place during an insect's life as it turns from a young animal to an adult. Pleural of pleuron. Pseudocellus.
Covered with tiny pits or depressions, like the elytra of many beetles and the thoraxes of many hymenopterans.
Nymph. Rhinaria (singular rhinarium). A reduced compound eye in apterous aphids with 3 separate lenses. Pair of segmented appendages located on the head and usually sensory in function - the 'feelers'. Tympanum. Tarsus). The main part of the forewing of a heteropteran bug. © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins A waxen sac into which eggs are laid in Coccoid Hemiptera, and which sometimes encloses all or part of the female. Metasternal opening of metathoracic scent gland in adult Gerridae. Corium. Pertaining to last abdominal segment which bears the anus. The diversity of this order contributes to the complexity of writing classification keys that encom-pass all exceptions.
Hollow, paired, non-segmented outgrowth of abdominal segments of holometabolous larvae, usually used in locomotion. In Diptera and Hymenoptera the scutellum is nearly always distinct, but much smaller than (and immediately posterior to) the mesoscutum.
Axillary sclerites. To avoid this verification in future, please. Endoskeleton of insect cuticle provides space for attachment of muscles of antenna and mouthparts, called as Tentorium. Published by Houghton Mifflin Harcourt Publishing Company. Segment. Shaped like a spatula or spoon. Parabollically. Structural Organisation in Animals and Plants.
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