Heteroptera of michigan species list aquatic insects of. Heteroplea is a neotropical genus of pleidae that is easily separated from other members of the family by having a distinct raised callus on the dorsal posterior of the head and sharing a 3,3,3 tarsal formula with the palearctic genus plea. In contrast, most semiaquatic species of hemiptera have antennae longer than their heads. Thus aquatic and semi aquatic hemiptera play an important role as biological control agents in the ecological community. This family includes the chinch bug, blissus leucopterus a pest of small grains, and the. Piercerpredators using segmented beak to pierce their prey and suck the fluids. Ecology and zoogeography of aquatic hemiptera from. Studies of aquatic hemiptera of pocharam lake in andhra pradesh were done by deepa and rao in 2007.
Belostomatidae 3, corixidae 41, gelastocoridae 1, gerridae 8, hebridae 2, hydrometridae 1, mesoveliidae 1, nepidae 2, notonectidae 6, pleidae 1, saldidae 26, and veliidae 3. Characteristics of hemiptera most members of the aquatic and semiaquatic hemiptera overwinter as. It includes the families belostomatidae, corixidae, gelastocoridae, gerridae, hebridae, hydrometridae, mesoveliidae, naucoridae, nepidae, notonectidae, ochteridae, pleidae, saldidae and veliidae. This family includes numerous pests such as the tarnished plant bug lygus lineolaris. Species belonging to the infraorder are represented by following 5 families. Although microuelia have been known to prey on a variety of small aquatic organisms. Pleidae, the pygmy backswimmers, is a family of aquatic insects in the order hemiptera there are 37 species in three genera, distributed across most of the. This gives them the appearance of being a half wing. The first annotated checklist of aquatic and semiaquatic heteroptera of turkey was compiled by k. These insects are fairly large predators found in aquatic environments. This pdf is provided by magnolia press for privateresearch use. They are also food for higher trophic levels birds and fishes in water 5. Iucn standards and petitions subcommittee, 20, 2014. As predatory hunters, pleidae consume the body fluids of small invertebrates.
At first glance they may appear to be small beetles, but closer examination will reveal the three or four segmented, cylindrical beak which identifies it as a hemiptera. Diagnosis and ecological distribution of aquatic hemiptera. Record of 17 species and 8 families of the order hemiptera showed that it is the largest order in terms of aquatic insect diversity followed by order coleoptera having 7 species and 5 families. Hemiptera, pathway, impact introduction it is unlikely to become established. Find, read and cite all the research you need on researchgate. Eggs of aquatic hemiptera are highly variable in structure, size, color, and location of oviposition, but can usually be recognized as hemipteran by the presence of a tough, hexagonally reticulate chorion and buttonlike or peglike micropylar processes menke, 1979a.
Request pdf morphology of the 1st gonapophysis in the genus neoplea hemiptera. When it belongs to the order hemiptera the true bugs. Ecology and zoogeography of aquatic hemiptera from temporary. Apart from a few aphids living on the aerial parts of water plants, the hemiptera associated with water belong to two series of heteroptera.
Identification insects of florida 1 side view of hemipteran showing beak extending beneath head. This genus is com1opolitan in distribution and contains more than 120 species all over the world. Nepomorpha the true water bugs stay their lives beneath the water surface, and gerromorpha the semiaquatic bugs. Northeast, heleocoris stra bus montandon 1879 naucoridae. Each of the eight families collected at owc exhibits a characteristic body shape and markings. Ohio epa macroinvertebrate taxonomic level january 2018 2 taxon subtaxon taxonomic level taxonomic keyies ephemeroptera genus morse et al. Order hemiptera family pleidae vcsu macroinvertebrate lab. The biology and ecology of aquatic and semiaquatic hemiptera. Diversity and distribution of aquatic insects in aghanashini river of central western ghats of india were studied by balachandranet.
A taxonomic study of the genus abedus stal hemiptera, belostomatidae adventive aphids hemiptera. Perhaps the best known are the water boatmen of corixidae, which are a. Aquatic and semi aquatic water bugs are very significant as bioindicator species that characterize the habitat health 6, 7, 8. Body semi cylindrical, greater than 4 mm in length. Thus aquatic and semiaquatic hemiptera play an important role as biological control agents in the ecological community. Morphology of the 1st gonapophysis in the genus neoplea. Corixidae is the most abundant species represented by 4 genus and 5 species followed by nepidae and gerridae. There are 37 species in three genera, distributed across most of the world, except the polar regions and remote oceanic islands pleidae belong to the tripartita which contains the more advanced lineages of true water bugs, and are closely related to the true. Identification key to the principal families of florida hemiptera, s.
This guide is intended to help you identify these insects and to learn some interesting characteristics about each. Some insects species in lao pdr are available throughout the year, and these are often aquatic ones, such as the giant water bug, lethocerus indicus hemiptera. It was respresented by 12 families viz, corixidae, nepidae, belostomatidae, netonectidae, naucoridae, pleidae, helotrephidae, hebridae, mesovelidae, hydrometridae,vellidae and gerridae. Diversity of aquatic insects in karamana river, southern.
Hemiptera includes terrestrial and aquatic insects, and members of the order may also be found on plants and animals. One genus is found primarily in riffles in streams. Hydrometra stagnorum linnaeus, 1758, microvelia pygmaea dufour. They feed on tiny insects and crustacea, and prob ably complete at least two generations each summer. Pleidae are represented by one genus comprising two widespread species. Sponsored by the florida department of environmental protection, this manual covers the aquatic and semiaquatic true bugs heteroptera of florida. The full text of this article hosted at is unavailable due to technical difficulties. It is reported to be feeding on tadpoles, nymph of mayflies and other aquatic hemipteran groups and during dry seasons it is known to migrate in search of suitable areas. Heteroptera wolfgang rabitsch austrian federal environment agency, spittelauer lande 5, 1090 wien, austria.
True bugs of interest many of the true bug species are interesting and have distinct behaviors that distinguish them from other bugs. Lytle, in thorp and covichs freshwater invertebrates fourth edition, 2015. Adults of the british aquatic hemiptera heteroptera. This family includes the chinch bug, blissus leucopterus a.
This key is now out of date but is useful as long as you are aware that several species have been added and several names have been changed. Among the collected aquatic insects the order hemiptera was diverse in number of genera. They climb among aquatic vegetation or slowly walk near the surface. Heteroptera pentatomomorpha an annotated list of the plant bugs, or miridae hemiptera. The naucoroidea, with a single family, the naucoridae, are oval flat water bugs most often found in running water.
Aquatic hemipterans are unlike most aquatic taxa in that the adults and larvae occupy the same habitat. Nov 20, 2015 the species status project is a recent initiative, providing uptodate assessments of the threat status of taxa using the internationally accepted red list guidelines developed by the international union for conservation of nature iucn iucn, 2012a. Aquatic and semi aquatic water bugs are very significant as bioindicator species. The aquatic and semiaquatic bugs data table, xlsx, 34. Two of these are shoreline species area within a 50 mile radius of minneapolis and st. The giant water bugs of belostoma are especially favored, but trout also feed on the water scorpions of nepidae. Anisops sardea, laccotrephes brachialis, mesovelia vittigera and the remainder of the fauna consists of a few endemic. Aquatic hemiptera include the semiaquatic bugs gerromorpha which live primarily on the waters surface and the aquatic bugs nepomorpha which live submerged beneath the water, along with several other mostly terrestrial groups that live near aquatic habitats. The notonectoidea consist of three families of backswimmers. Kirkaldy with description of a related genus insecta. Formicidae is one of the most favored edible insect. Nepomorpha the true water bugs stay their lives beneath the water surface, and gerromorpha the semiaquatic bugs spend most of their lives on surface of water chen et al. The majority of the aquatic hemiptera from these temporary pools and pans are widespread ethiopian species, e.
Insects which live on land and are fed on by trout only when they incidentally fall into the water are known as terrestrials to fly anglers, and theyre very important in late summer. Review of the genus atractotomus fieber in north america with notes, key, and description of one new species hemiptera. Aquatic heteroptera nepomorpha, gerromorpha in small. The name true bugs is sometimes limited to the suborder heteroptera.
A new species of the genus buenoa hemiptera, notonectidae. Pleidae 1 genus, 1 species a single species of pigmy backswimmer becomes abundant in weedy ponds and lake margins throughout the state in late summer and early fall, but disappears into wintering sites by november. Thirumalai and ramakrishna zoological survey of india, southern regional station, chennai600 028 introduction aquatic and semi aquatic bugs play a vital role and form an important component in food webs of fresh water ecosystems. Lygaeidae seed bugs most species are seed feeders, a few are predatory. Sponsored by the florida department of environmental protection, this manual covers the aquatic and semi aquatic true bugs heteroptera of florida. Under droughty climate conditions, they and the associated water bodies serve as refugia for aquatic organisms dyadichko 2008, 2009, while valleys serve as ecological corridors for the distribution of species from other landscapeclimatic zones.
Hemiptera comes from the greek words hemi, meaning half, and pteron, meaning wing. Although each genus of water bugs occupies a char acteristic. The asian weaver ant oecophylla smaragdina hymenoptera. There are 37 species in three genera, distributed across most of the world, except the polar regions and remote oceanic islands. Three genera hyrcanus, hebrus and timasius with about eight freshwater species are known from peninsular malaysia andersen 1981b.
Adult aquatic and semiaquatic hemiptera found in owcrange in length from less than 2 mm 0. They included bugs which are totally submerged aquatic as well as those living on the water surface semiaquatic, but not those. Deepor beel, hemiptera, coleoptera, aquatic insect diversity. The large, diverse family of true bugs contains several insects of importance to anglers, both aquatic and terrestrial terrestrial.
With only a few exceptions, these insects are predators of other aquatic organisms. Pleidae, the pygmy backswimmers, is a family of aquatic insects in the order hemiptera infraorder nepomorpha, or true water bugs. Key to california semiaquatic and aquatic hemiptera based on habitats and. Water scorpions occur in a variety of wetlands, ponds and by the edges of slow flowing waters. Miridae plant bugs most species feed on plants, but some are predaceous. Order hemiptera suborder heteroptera ent 425 general. Identification key to the principal families of florida. Aquatic heteroptera can be found on the surface of both fresh and salt water, near shorelines, or beneath the water surface in nearly all freshwater habitats. They grasp their prey, inject enzymes that breakdown body tissues, and suck out the resulting fluids. Hemiptera, heteroptera 467 merragata, has been included in the key, since it was recorded from thailand and java and may also occur in malaysia.
Introduction water bugs are the most abundant insects in the order hemiptera, suborder heteroptera, consisting of two infraoders. The small intermittent rivers are some of the most widespread types of water currents in the south of ukraine steppe zone. Cook introduction the semi aquatic hemiptera of minnesota is com cover whether certain species occur in minnesota. Although poorly characterised, the biology of water. Mesoveliidae, hebridae, hydrometridae, veliidae and gerridae. Family ochteridae velvety shore bugs in the semiaquatic and aquatic hemiptera of california heteroptera. Their preferred habitat is vascular aquatic plants in standing water. Selected references for identification of florida heteroptera. It is the successor to the jnccs species status assessment project. Pleidae are completely harmless to humans as their rostrum is far too small to pierce skin. Bernard nau is currently cowriting a replacement for land and water. Heteroptera of michigan species list aquatic insects. Order hemiptera family list vcsu macroinvertebrate lab.
They included bugs which are totally submerged aquatic as well as those living on the water surface semi aquatic, but not those. Acerpenna, baetis, heterocloeon, plauditus species morse et al. Sternorrhyncha, auchenorrhyncha, coleorrhyncha and heteroptera. The semiaquatic and aquatic hemiptera of california. Oct 01, 2017 heteroplea is a neotropical genus of pleidae that is easily separated from other members of the family by having a distinct raised callus on the dorsal posterior of the head and sharing a 3,3,3 tarsal formula with the palearctic genus plea. Identifying aquatic insects from your pond the following aquatic insects include some of those that you might encounter when exploring your pond. Aquatic and semiaquatic hemiptera can be separated into two groups based on their antennal morphology and the habitat in.
The 1st gonapophysis of species in the genus neoplea esaki and china, 1928, includes a pattern of spurs that aids in depositing eggs into plant tissue. Ent 425 general entomology resource library compendium. Heteroptera are newly recorded for cephalonia island greecegerromorpha. Pleidae, including an evaluation of its taxonomic importance the 1st gonapophysis of species in. Notonectidae with four genera, including 11 species, are well represented. The name refers to the true bugs forewings, which are hardened near the base and membranous near the ends. Check for this, especially for those insects that first appear to be beetles.