Nepidae is a family of exclusively aquatic heteropteran insects in the order hemiptera. Distribution and associations of the aquatic heteroptera of the balearic islands spain j. Pdf morphological variation can enable species to successfully survive and. Heteroptera are studied by mass spectrometry and biological assays to gain information on the presence, structure and function of pept. It overwinters as an adult and mating occurs during april and may.
In the present paper, aquatic bugs attracted to uv light near the srebarna nature reserve were quantified. Nepa cinerea linne ilyocoris cimicoides linne plea leachi macgreg. Nepa cinerea, the water scorpion, is a widespread species occurring throughout the uk in a variety of aquatic habitats, but usually in shallow water among vegetation. Abundance, diversity and succession of aquatic coleoptera. Heteroptera of michigan species list aquatic insects. With more than 4,400 described species worldwide henry, 2017, aquatic heteroptera are wellknown for utilizing an exceptionally broad range of habitats, ranging from. Eyarin jehamalar and kailash chandra zoological survey of india, mblock, new alipore, kolkata 700 053 introduction aquatic heteroptera occupy a broad spectrum of aquatic habitats, have a multitude of shapes, and are adapted to a broad variety of niches spencer and. Four african species of true water bugs nepomorpha. It lives in ponds, small rivers, and stagnant water, and feeds upon aquatic. A contribution to the faunistics of aquatic and semiaquatic bugs heteroptera.
Nepha orange nepa cinerea water bug embedded in clear resin. Heteroptera, or true bugs, is the most diverse group of paurometabolous insects with incomplete metamorphosis. Distribution and associations of the aquatic heteroptera. Amino acid classification accords to the iupaciub singleletter amino acid codes. Nepa cinerea linnaeus, 1758, corixa affinis leach, 1817, corixa. The first annotated checklist of aquatic and semiaquatic heteroptera of turkey was compiled by k. That is to say the heteroptera is a group of about 40,000 species of insects worldwide within the group.
Aquatic heteroptera nepomorpha, gerromorpha in small. Abstract four african species of true water bugs nepomorpha. Water scorpion nepa cinerea linnaeus, 1758 occurs in different aquatic. Water bugs heteroptera in the catchment area of river sitnica serbia. Nepomorpha are associated with habitat type article pdf available january 2016 with 228 reads how we. The effect of dredging of a small lowland river on aquatic. Apr 08, 2016 aquatic heteroptera themselves are often subjected to strong predation pressure e. Nepa cinerea, the water scorpion, is often found buried in silt, and so some effort may be needed to. It covers all species of aquatic and semiaquatic bugs heteroptera in great britain, identifying those that are rare andor under threat as well as nonthreatened and nonnative species.
Aquatic and semiaquatic heteroptera water bugs are important components of aquatic ecosystems for several reasons. Pdf water bugs heteroptera in the catchment area of. Angus1, constance jeangirard2, desislava stoianova3, snejana grozeva3, valentina g. Water bug family key 26102018pdf wildlife trust bcn. Draft keys to the water bug families of great britain and ireland. Global trends in the description of aquatic and semiaquatic heteroptera species, 17582004. Heteroptera are studied by mass spectrometry and biological assays to gain information on the presence, structure and funct. Hemiptera linnaeus 1758 50,000 species small to large sized up to 90mm. Antennae shorter than the head, usually concealed in depressions on under side of head beneath the eyes. Nepomorpha is an infraorder of insects in the true bug order.
Nepa cinerea chulupaca is a species of water scorpion nepidae, found in most of europe. Ranatra linearis the water stick insect nepa cinerea the water. Standard dshape aquatic nets were used to collect aquatic hemiptera in the ugam river, streams and standing water in all areas of the park. The presence of 31 species of aquatic bugs was determined biro. Denton, jonty, 2007, water bugs and beetles of surrey. Growth and individual variability of the water scorpion.
Spiracles in certain terrestrial heteroptera hemiptera. Description of reproductive system of indian water. Some morphological characteristics of the water scorpion nepa cinerea heteroptera. Mar 05, 2020 the purpose of this site is to share the water bug information that has been collated across northamptonshire. Aquatic and semiaquatic heteroptera nepomorpha and gerromorpha fauna of greek holiday islands rhodes, crete and corfu with first records of three species from europe and greece. Nepa cinerea linnaeus, 1758, notonecta viridis delcourt, 1909, plea minutissima minutis. Antennal sensory structures in water bugs of nepoidea. A preliminary report horea olosutean, daniela minodora ilie aquatic and semiaquatic heteroptera rarely find suitable habitats in high altitude. Kuznetsova4 1 department of life sciences insects, the natural history museum, cromwell road, london sw7 5bd, uk. Bug families of great britain and ireland kev rowley photographs by a. Water uptake through the cuticle of the water scorpion. With the help of over 7,000 of the worlds best wildlife filmmakers and photographers, conservationists and scientists, featured multimedia factfiles for more than 16,000 endangered species.
Sampling of insects was carried out at 44 localities in the course of two years. The aquatic bugs include the familiar water botamen and the larger species of water bugs such as the saucer bug ilyocoris cimicoides and the water scorpion nepa cinerea. A characteristic feature of the group is the existence of short antennae concealed in grooves. Corixidae this is the largest family and probably the most dif. Identification key to the principal families of florida. The purpose of this site is to share the water bug information that has been collated across northamptonshire. Synopsis the rate of osmotic water uptake through the hydrophilic cuticle of nepa cinerea has been measured and compared with that found in other water bugs possessing a hydrophobic cuticle. Nepa cinerea fig 2 ranatra linearis 5 3b hemelytra. Aquatic heteroptera nepomorpha, gerromorpha in small intermittent rivers. A contribution to the faunistics of aquatic and semiaquatic. Abundance, diversity and succession of aquatic coleoptera and. Notes on the hemiptera, coleoptera, diptera and other. Nepomorpha heteroptera fauna of southwestern anatolia turkey. Antennae shorter than the head, usually concealed in depressions on.
It this study morphometric characteristics and the growth of univoltine predatory water scorpion nepa cinerea were studied on the basis of data measured on freshly killed individuals, the same ethanol fixed individuals and dried individuals. The corixidae lesser water boatmen is the largest family of water bugs and, unlike other families in the group, are predominantly plant feeders. The common form of nepa cinerea has re duced flight organs. In the case of balea lake we think that, indeed the altitude is the restrictive factor of the spreading of the researched species, being collected only an aquatic heteroptera and a semi aquatic one.
Revised and annotated checklist of aquatic and semi. Pdf some morphological characteristics of the water scorpion. With more than 4,400 described species worldwide henry, 2017, aquatic heteroptera are wellknown for utilizing an exceptionally broad range of habitats, ranging from the marine and intertidal to. Eggs are laid in vegetation just beneath the surface of the water and take 3 to 4. Nepa cinerea linnaeus, 1758 individuals were collected with long handled oframe water net in a diameter of 25 cm and mesh size 0. Linnaeus, 1758 nepa cinerea chulupaca is a species of water scorpion, found in most of europe, including the british isles, as well as north. The males are relatively smaller with conspicuous connexival spines and possess distinct external genitalia. Distribution and associations of the aquatic heteroptera of. Nepa cinerea chulupaca is a species of water scorpion, found in most of europe, including the british isles, as well as north africa and southern and northern asia. Wildscreens arkive project was launched in 2003 and grew to become the worlds biggest encyclopaedia of life on earth. As of 2008, there are about 67 genera and 424 species of aquatic and semiaquatic heteroptera in north america polhemus and polhemus 2008, of which of which 39 genera and 126 species documented in michigan, and another 12 species that may be encountered based on their known regional distribution.
Draft keys to the water bug families of great britain and. Aquatic and semiaquatic heteroptera rarely find suitable habitats in high altitude regions of romania. However, this last work lacks a critical overview, listing also synonyms, doubtful records, and previous misidentifications without any comments. Heteroptera of michigan species list aquatic insects of. A chromosomal analysis of nepa cinerea linnaeus, 1758 and ranatra linearis linnaeus, 1758 heteroptera, nepidae robert b. Nepidae staddon 1973 journal of entomology series a, general. Structure of the genitalia places this new taxon in the cinerea species group. The aquatic heteroptera, hydrocorisae, in particular nepa cinerea l. Pdf some morphological characteristics of the water. Pre1950 records are not included in these maps but will be.
The body length is 20 23 mm, and the tail is usually around 10 mm long. Description of reproductive system of indian water scorpion, laccotrephes maculatus fabr. Most collected adult specimens were killed in ethyl acetate and stored on cotton backing in insectproof containers. Heteroptera, distribution, associations, balearic islands abstract twentyfive species of aquatic heteroptera were collected from the balearic islands. The water scorpion, nepa cinerea, got its name because of its long tail, but the tail is a breathing tube actually two tubes stuck together, rather like a snorkel, not a sting. This new species is the first aquatic, stygobiotic heteropteran discovered.
Water bugs in northants have been under recorded and it is expected that by analysing this information it will give us momentum to collate more records and improve the recording across more 2km, 5km and 10km squares in vice county 32. The distribution of the aquatic and semiaquatic heteroptera. Water uptake through the cuticle of the water scorpion, nepa cinerea l. Water bugs can be found on the macrophyte stands, of. The morpholog any d physiolog oy f the salivary glands of. This document provides information on species known to occur in scotland at the time of publication. Group i lake shandangan was the poorest lake, both numerically and faunistically, as regards the potential breeding species of corixidae. The nymphs of this bug are also miniatures of the adult but the breathing tube is very short in small nymphs. Water uptake through the cuticle of the water scorpion, nepa. Moreover, the identification of females of some corixid species is relatively difficult, which may hamper ecological field assessments. Brooklin entomological society, brooklin, new york. On the relationships of the eight aradid subfamilies heteroptera.
A characteristic feature of the group is the existence of short antennae concealed in grooves behind the eyes, which is an adaptation. Description of reproductive system of indian water scorpion. They occur all over the world outside the polar regions, with about 2,000 species altogether. The recent catalogue of the heteroptera of the palaearctic region lists approximately 3000 species for. Eggs are laid in vegetation just beneath the surface of the water and take 3 to 4 weeks to mature. Growth and individual variability of the water scorpion nepa. Five are first records sigara nigrolineata, micronecta scholtzi, ranatra linearis, notonecta meridionalis andhebrus pusillus. It lives in ponds, small rivers, and stagnant water, and feeds upon aquatic animals, especially insects. A synopsis of the hemipteraheteroptera of america north of mexico. Screenshot of the complete alignment of all studied aquatic heteroptera gerromorpha, nepomorpha showing a gap of 39 nucleotides amino acids within the analyzed specimens of cymatia coleoptrata fabricius, 1777 from position 110 to 148. A chromosomal analysis of nepa cinerea linnaeus, 1758 and. They belong to the typical bugs of the suborder heteroptera. Aquatic heteroptera themselves are often subjected to strong predation pressure e.
Due to their aquatic habits, these animals are known as true water bugs. Large circles represent post1990 records and small circles represent records between 1950 and 1990. Nepomorpha heteroptera fauna of southwestern anatolia. Maps showing the distribution of all 48 aquatic heteroptera species recorded from cheshire are presented together with individual species accounts.
There are 14 genera in the family, in two subfamilies, nepinae and. Journal of advanced laboratory research in biology, 10 3, 5264. At lake balaton only specimens from the order heteroptera were collected. A chromosomal analysis of nepidae 641 a chromosomal analysis of nepa cinerea linnaeus, 1758 and ranatra linearis linnaeus, 1758 heteroptera, nepidae robert b. The habitat conditions do influence the structure and composition of heteroptera communities. The male reproductive organs include a pair of testis, a pair of vasa deferentia, a pair of vesicula seminalis, two pairs of accessory glands and unpaired median ductus ejaculatorious. A total of 4589 individuals of aquatic bugs heteroptera, nepomorpha were collected during 11 nights of light trapping. Water bugs act both as consumers of algae and leaf litter at lower trophic levels and as prey for fish and other organisms at higher trophic levels mccafferty 1981, hutchinson 1993. The distribution of the aquatic and semiaquatic heteroptera nepomorpha, gerromorpha in the middle basin of the river olt. May 11, 2019 the nepoidea superfamily belongs to the water bugs infraorder nepomorpha and consists of two familiesbelostomatidae and nepidae. A number of aquatic heteroptera have been collected in the provinces of antalya, ayd.
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