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principal sclerites (exoskeletal plates) are the pronotum (dorsal), the prosternum (ventral), and the propleuron (lateral) on each side. The prothorax never...

same mechanism, but most elaterid subfamilies can click. A spine on the prosternum can be snapped into a corresponding notch on the mesosternum, producing...

are now in Prepopharus, which most obviously differs in having a keeled prosternum. This left Scaphidomorphus a small genus, with only three species: Scaphidomorphus...

energy stored by a click mechanism, which consists of a stout spine on the prosternum and a matching groove in the mesosternum. Some species startle an attacker...

pulvilli. As is typical for Dasypogoninae, the harder cuticle of the prosternum is separated from the neck by an area of flexible cuticle that presumably...

the prosternum to enclose a triangular area; in Tritoma proper these lines only run from the foreleg attachments to the rear edge of the prosternum. Head...

energy stored by a click mechanism, which consists of a stout spine on the prosternum and a matching groove in the mesosternum. Eggs are laid in soil or on...

genera is that the mesosternum is so reduced as to be invisible, with prosternum and metasternum being directly adjacent. Eidoreus minutus Sharp, 1885...

medium-sized hunting terrier. The preferred ratio of length of body (prosternum to point of buttocks) to height (withers to ground) is 10:7. The head...

family is that the tip of the proboscis fits into a ridged groove in the prosternum, where it can be used to produce sound by stridulation. Sound is made...

Water Dog is off-square, slightly longer than tall when measured from prosternum to rearmost point of the buttocks, and from withers to ground. Portuguese...

bugs, the tip of the mouthparts scrapes along a ridged groove in the prosternum; in velvet ants the back edge of one abdominal tergite scrapes a file...

anterior edges of the prosternum: in Macrocoma, the pygidium is covered by the elytra and the anterior edges of the prosternum are flat, while in Pseudocolaspis...

the purpose of work. Seen in profile, the chest curves inward from the prosternum, tangentially joins at the elbow to its underline at 50% of the withers'...

humeral angle to the posterior border. The ventral surface with the head, prosternum and metaventrite is black. The abdomen is yellow except the center of...

anterior to the transverse suture and one pair of sternopleural setae, The prosternum is bare. The spines on the costa are longer than the setae. The male's...

margin of the labrum is emarginate. Elytral surface densely punctate. Prosternum moderately convex medially. Fifth abdominal ventrite is feebly emarginate...

shape, and lines on the prosternum which curve beyond the foreleg attachments towards the center of the forward edge of the prosternum; in Triplax, these lines...

on the prosternum which extend forward of the attachment points of the forelegs and curve inwards towards the headward tip of the prosternum. The enigmatic...

Achrioptera species by the presence of a pair of small spines on their prosternum. Females have alae shorter than 30 millimetres (1.2 in) with an anal region...

belongs to the Paropsis-group of genera, with similar head, appendages, prosternum, elytra, tarsi and larva. Among these genera it is defined by possession...

addition, there is a brown band on the body below the notopleura. The prosternum is bare. Chaetotaxy of the thorax shows strong presutural acrostichal...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

The sclerites of prosternum, pronotal epipleura, mesosternum, metepisternum and metepimeres are all distinct, and the prosternum and metasternum lack...

first and second medial vein (M1+2), and from Empididae by having the prosternum separated from proepisternum. They have a disjunct distribution, being...

attachments and the rear margin of the prothorax, there is a seam between prosternum and proepimera. The joint between meso- and metasternum has a broad double...

stereotypic, steric stern- breastbone Greek στέρνον (stérnon) metasternum, prosternum, sternum stern-, strat- spread, strew Latin sternere, stratus consternation...

be distinguished by anatomical details, namely the exact shape of the prosternum, and some features of their genitalia. Pseudischyrus extricatus adults...

characteristic of the genus is the presence of a longitudinal carina on the prosternum, which is accompanied by a cruciform elevation on the mesoventrite. A...

on the pronotum, whose sides each feature a thin margin, a short-lined prosternum with an inconspicuous central plate, widely separated middle leg attachment...

more elongated body, with narrower elytra, and shortened lines on the prosternum which do not extend forward of the attachment points of the forelegs....

rearmost sclerite separated from, or only touching the center of the prosternum. Cannibalism of young has been observed in at least one species in the...

procoxal cavity. Anterior edge of prosternum not produced anteriorly, or distinctly produced forming chin piece (rare). Prosternum in front of coxae concave or...

distinguishable from the families Ragadidae and Atelestidae by having a prosternum that is fused with the proepisternum, which forms a precoxal bridge. The...

described. They are creamy whitish with an ochraceous pronotum, while the prosternum is nearly reddish brown on the central portion and on the head capsule...

only be reliably distinguished by anatomical details – the shape of the prosternum, and some features of their genitalia &ndash'; and seem to form a cryptic...

distinguished from other genera in the Blepharida-group by their bifurcate prosternum, saddle-shaped mesosternum and strongly inwardly curved bifid tarsal claws...

on the body, including the abdomen, wing base, metathorax, and ventral prosternum. in Drosophila melanogaster, the Wheeler's organ is a type of tympanal...

antennophore with a conspicuously short base (scapus). The extension of the prosternum is broad, with a truncated tip, ending adjacent to the metasternal process...

family Chrysomelidae. It is found in Bolivia and Peru. Adults have a black prosternum black and the elytra are without a yellow margin. The food plant is unknown...

Rhamphini (swollen for jumping) Tarsal claws fused at base Smicronychini Prosternum anterior to foreleg coxae has a groove into which the rostrum is tucked...

stereotypic, steric stern- breastbone Greek στέρνον (stérnon) metasternum, prosternum, sternum stern-, strat- spread, strew Latin sternere, stratus consternation...

scutellum are almost blackish, while the antennae, elytra, pygidium, prosternum and legs are reddish brown, the meso- to metasterna dark brown and the...

basic color of the body is dark brown or black. Antennae are 9-segmented. Prosternum is well developed, divided into two lobes. Elytra show ten extremely fine...

mostly yellowish in other species. On the underside of the body, the prosternum has a deep median groove bordered laterally by longitudinal flaps, and...

moderately large. Clypeus truncate anteriorly. Pronotum moderately convex. Prosternum is T-shaped with prosternal process bearing an inverted Y-shaped carina...

The sclerites of prosternum, pronotal epipleura, mesosternum, metepisternum and metepimeres are all distinct, and the prosternum and metasternum lack...

The prosternum and metasternum lack clearly visible lengthwise lines from the center margin of the leg attachments to the rear edge of the prosternum. On...

along the suture. The underside is densely punctured, ruggedly so on the prosternum; the mesosternum forms a blunt angle in front. The legs are strong; the...

punctures of modest size and depth just like the head. The tip of the prosternum is vertically evenly rounded and not compressed; the lengthwise lines...

with fairly large punctuations which become denser at the sides. The prosternum has a pinched centerline, and has a thin bead-like margin on the forward...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

The prosternum and metasternum lack clearly visible lengthwise lines from the center margin of the leg attachments to the rear edge of the prosternum. The...

with very slightly angled sides; slightly convex elytra; a rather broad prosternum between the fore legs, terminating behind in a prominent round point;...

(0.20 in). They have a light brown body, with the head, scutellum and prosternum darkened. The name of the species refers to its prevailing light brown...

They are whitish testaceous, with the pronotum darker testaceous and the prosternum a bit darker. They reach a length of about 5.8 mm. The recorded host plants...

reach a length of about 4–4.4 mm. Adults are black, while the pronotum, prosternum and claws are red. Staines, C.L. (2012). "Hispines of the World: Tribe...

metapleuron. The ventral view or sternum follows the same convention, with the prosternum under the prothorax, the mesosternum under the mesothorax and the metasternum...

four distinct rows of systematic punctures. Antennae with nine segments. Prosternum highly tectiform and medially carinate. On the base of middle and hind...

processes, which are either weakly developed or entirely absent. The prosternum also lacks any armature, contributing to the overall smooth body contour...

in the pronotum corners there are small and insoncspicuous pores. The prosternum is twice as long as its with between the foreleg attachments, flat, with...

suture, margins and tips that are always continuous. On the underside, the prosternum is rufous, the postpectus is black, the abdomen is black with testaceous...

The sclerites of prosternum, pronotal epipleura, mesosternum, metepisternum and metepimeres are all distinct, and the prosternum and metasternum lack...

3rd segment. The prothorax is broader than long, subcylindrical; the prosternum is separated from the episternum by a sutural groove. The legs are moderately...

ventral spine-like setae, the medially emarginated posterior margin of the prosternum, the posterior pronotal lobe covering only the extreme base of the mesonotum...

in each pronotal corner there is a small and inconspicuous pore. The prosternum has lengthwise lines along the center margin of the leg attachments which...

have an elongate oval body, with the head blackish, the pronotum and prosternum dark reddish brown and the elytra and meso- and metasterna pale to dark...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

there are four small black spots. Prosternum, mesoventrite and metaventrite are brownish to dark brown. Prosternum is narrow and raised anteriorly. Legs...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

corner of the pronotum, there is a conspicuous navel-shaped pore. The prosternum has no obvious lengthwise lines from the center margin of the leg attachments...

ultimate pretarsus, complete or nearly complete coxo-pleural sutures at the prosternum, and incomplete chitin-lines. Centipedes in this genus feature slightly...

explanate laterally, serial punctures strongly marked, arranged in rows. Prosternum flat, rather sharply carinate medially, with angulate anteromedian projection...

15–20 millimeters long, with 39–47 leg pairs. It is characterized by a prosternum without sclerotic or chitinous lines; clypeus with three pairs of submedian...

those on the maxilla, and the mouth-cavity sides are flattened lobes. The prosternum has a bead-like margin along the front, and thin lines beween the coxae...

with black scales; underside of palpi whitish buff, paler than middle of prosternum. Male: Winqs above slightly paler than thorax, both with a broad black...

the anterior and lateral edges lightly pruinose. The elytral epipleura, prosternum, metepisternum and metacoxal plates are dull and pruinose. Most surfaces...

prosternal stridulatory furrow and a short rostrum that does not reach the prosternum. Adults feed on vertebrate blood. The head is cylindrical and as long...

"club" at the end. The coxae of the middle and hind legs, the base of the prosternum, the mesopleural sternites and the tip of the abdomen are dark reddish-brown...

are no conspicuous pores in the corners of the pronotum. The tip of the prosternum is either compressed into a pitcher-like lip, or vertically evenly rounded;...

on the pronotum, whose sides each feature a thin margin, a short-lined prosternum with an inconspicuous central plate, widely separated middle leg attachment...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

wing, which distinguishes Ragadidae from Atelestidae. Furthermore, the prosternum being separated from the proepisternum sets Ragadidae aside from Empididae—this...

the presence of sensory areas on the prosternum. In the Dataminae is a pair of these sensory fields on the Prosternum and in the middle behind it a third...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

point where the corners of the episternum and the lateral arms of the prosternum meet. Deretrichia alternata (Baly, 1864) – Bacan, Halmahera Deretrichia...

Notum: 1. prescutum, 2. scutum, 3. scutellum Pleuron: 4. propleuron, 5. mesopleuron, 6. metapleuron Sternum: 7. prosternum, 8. mesosternum, 9. metasternum...

a pale longitudinal line, as well as a brown trapezoidal patch on the prosternum. The legs are brown with dark brown claws. Pupae The length of the pupae...

Heteropterygidae are to be found in pairs in the Obriminae in the front area of the prosternum. In adult females the abdomen is widened and significantly increased by...

single row with a larger prescutellar pair; the metepisternum is bare. The prosternum is triangular, and extended laterally to the propleuron as a narrow, precoxal...

corner of the pronotum, there is a conspicuous navel-shaped pore. The prosternum has no obvious lengthwise lines from the center margin of the leg attachments...

side; coxae broadly united with no trace of a median suture; unarmed prosternum of poison claws with an absence of chitin lines and minute teeth at the...

underside is brownish sepia colour; the palpi is cream colour, middle of prosternum and the tibiae and tarsi are somewhat darker; while the femora is black...

the pronotum and the elytra. The head and pronotum are granulate, the prosternum is rudimentary, without intercoxal processes. The anterior coxae and trochanters...

corner of the pronotum, there is a conspicuous navel-shaped pore. The prosternum has no obvious lengthwise lines from the center margin of the leg attachments...

are directed transversely towards the middle of the pronotum. Middle of prosternum (the ventral plate of the prothorax) glossy, finely and more densely pitted...

The prosternum and metasternum lack clearly visible lengthwise lines from the center margin of the leg attachments to the rear edge of the prosternum. On...

corner of the pronotum, there is a conspicuous navel-shaped pore. The prosternum has no obvious lengthwise lines from the center margin of the leg attachments...

The prosternum is bell-shaped, with lengthwise lines at the center margin of the leg attachments extending to the forward edge of the prosternum and sharply...

The prosternum and metasternum lack clearly visible lengthwise lines from the center margin of the leg attachments to the rear edge of the prosternum. On...

behind. Sternum with the fore coxae nearer the anterior margin of the prosternum. Ventrum varied with light brown, grey with white, black or metallic green...

posterior border bisinuated; these are almost cylindrical, or oval. The prosternum is truncated in front and at the base, very broad, the mesosternum a little...

first antennal segments, a protruding oral margin, a strap-shaped or oral prosternum that is not joined to the propleura, and a lack of costal spines. D. anilis...

of the beetle was a uniform dark grey, with setae in some areas of the prosternum. The species is distinguished from extant Xylolaemus and at least one...

conspicuous navel-shaped pores in the corners of the pronotum. The tip of the prosternum is vertically evenly rounded and not compressed; the lengthwise lines...

narrowed posteriorly so they do not cover the abdomen completely. The prosternum is reduced anteriorly and has concealed cavities to receive the antennae...

the ventral side as a result), including the propectus (propleuron and prosternum), lack antennal grooves. They narrow craniad (towards the head). The pronotum...

The prosternum and metasternum lack clearly visible lengthwise lines from the center margin of the leg attachments to the rear edge of the prosternum. On...

in the pronotum corners there are small and inconspicuous pores. The prosternum is usually pinched medially, and has a thin bead-like margin on the forward...

prosternum has a flattened bell-shaped area between the attachments of the foreleg coxae, which goes almost for the entire length of the prosternum and...

punctures. Antenna with 9 segments. Pronotum with coarse and dense punctures. Prosternum is well-developed, and carinates medially. Elytra rather coarse and dense...

on the pronotum, whose sides each feature a thin margin, a short-lined prosternum with an inconspicuous central plate, widely separated middle leg attachment...

different elongated larger and flat-bottomed punctures. The tip of the prosternum is vertically evenly rounded and not compressed; the lengthwise lines...

of tarsi as long as the following two united claws more or less bifid. Prosternum greatly narrowed between the coxae. A well-marked genus on account of...

fields on the prosternum and one on the profurcasternum behind it, with Microrestes (robustus) there are three fields on the prosternum. Since the field...

green, while the head and pronotum may be red, orange or yellow. The prosternum is either anteriorly produced at middle, or the pronotal hypomeron has...

cluster of a few larger punctures (about the width of an ommatidium). The prosternum is 2.5 times as long as its with between the foreleg attachments, flat...

found on both the propleuron and the hypopleuron, with brown setae on the prosternum. There are dark brown or black sclerites located at the wing-base, as...

in the pronotum corners there are small and inconspicuous pores. The prosternum has a thin bead-like margin on the forward edge. At the inner edge of...

four distinct rows of systematic punctures. Antennae with nine segments. Prosternum highly tectiform and carinate medially. Metasternal keel glabrous and...

ovipositor of Podelmis), and the absence of an anterior process on the prosternum. Like almost all riffle beetles, spider water beetles are aquatic, feeding...

smaller punctures scattered over pronotal disk, someobscured by pubescence. Prosternum smooth, impunctate, covered with uniform, appressed, white or tawny pubescence...

setiferous punctures (depressions with bristles in them) on either side. The prosternum (the first lower segment of the thorax) has bristles at its extremity...

into straight rows at the apex. A groove is present on the pygidium. The prosternum is subquadrate and flattened. The hypomeron is more or less smooth and...

erect hairs that extends towards the heads on the dorsal surface. On the prosternum, there are longer hairs that extend laterally and ventrally. Overall,...

mesonotum, the so-called mesopraescutum, has a large, prominent spine. The prosternum has a distinct swelling with a granular surface. In females, the antennae...

pairs and grows to a length of 24 millimeters. It's characterized by a prosternum lacking chitinous lines; dorsal plates distinctly bisulcate (cloven);...

most species, the pronotum has a round impression before the base. The prosternum has a pubescent (hairy) impression in front of each fore coxa, also visible...

punctures, separated by about 2.5 times their diameter. The tip of the prosternum is not compressed, but has a weak convexity in the center if seen from...

for the greater part into the prothorax. The posterior margin of the prosternum is transverse or at most slightly emarginate. Adult beetles live in the...

the Dataminae. With them there is a pair of these sensory fields on the Prosternum and a third in the middle behind it on the so-called (Pro-) Furcasternit...

setae. The proclaws are strongly curved and lack a basal notch. On the prosternum, the palettes are fairly large and suboval. The mesotarsi each have an...

Prosternal intercoxal process broader posteriorly than in M. elongatus, prosternum bearing a few small granules. Proepisternum with strong microsculpture...