KEYS OF MACROINVERTEBRATES AT A FAMILY LEVEL
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TRANSLATION FROM: Title: Rios de Bizkaia ( Bizkaia rivers) PowerPoint PPT Presentation


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KEYS OF MACROINVERTEBRATES AT A FAMILY LEVEL Statiri X. & Lazaridou M. Lab. Of Zoology/School of Biology/A.U.Th. TRANSLATION FROM: Title: Rios de Bizkaia ( Bizkaia rivers) Edited by: Instituto de Estudios Territoriales de Bizkaia Authors: Enma Orive, Ana Rallo

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TRANSLATION FROM: Title: Rios de Bizkaia ( Bizkaia rivers)

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Translation from title rios de bizkaia bizkaia rivers

KEYS OF MACROINVERTEBRATES AT A FAMILY LEVELStatiri X. & Lazaridou M.Lab. Of Zoology/School of Biology/A.U.Th.

TRANSLATION FROM:

  • Title: Rios de Bizkaia ( Bizkaia rivers)

  • Edited by: Instituto de Estudios Territoriales de Bizkaia

  • Authors: Enma Orive, Ana Rallo

  • Coordinators : Miren Ibargutxi Erostarbe, Pedro Luis Emparanza Bereciartua

  • Collaborators in the definition of the keys: Ana Basaguren, Emilio Martinez

  • Hortal, Eugenio Rico

  • Illustrations: Angel Dominguez


Translation from title rios de bizkaia bizkaia rivers

ClassCRUSTACEA

Eyes are attached to the body through a stalk

Eyes without a stalk

OrderDECAPODA

3 first pairs of legs ending to a claw

2 first pairs of legs ending to a claw

Body laterally flattened

Body dorsoventrally flattened

Order

Order


Translation from title rios de bizkaia bizkaia rivers

Shell consisting of one piece

Shell consisting of two pieces

Φύλο MOLLUSCA

Shell coiled

Small size, lower than 1cm

Big size, more than 1cm

Shell without coiling

Shell flat and disc-like, coiled in one plate

Shell globe-like, not coiled in one plate

Apex inclined to the central axis

Apex hooked to the right

Aperture of the shell great, occupying at least half of its size

Aperture of the shell occupying 1/3 of its size

Size lower or equal to 6mm.

Without operculum

Size more than 6mm that can be 15mm.

With operculum

Shell sinistral or left handed. The aperture to the left

Shell dextral or right handed. The aperture to the right

Apex rounded

Apex sharp


Translation from title rios de bizkaia bizkaia rivers

adults

Larval stages

ClassINSECTA

Elongated stomatic appendages. 1st pair of wings partially sclerotized.

Stomatic appendages not elongated. 1st pair of wings completely sclerotized.

Simple eyes

Compound eyes

Animal without jointed legs.

Tails or cerci extending from the last abdominal segment

Last abdominal segment without cerci or tails

Animal with jointed legs.

Stomatic appendages elongated

Labium modified, forming a mask

Neither lateral gills attached to the abdomen nor a filamentous prolongation at the extreme of the abdomen

Gills present on abdominal segments. Legs ending in one claw

Abdomen without gills. Legs with 2 claws

Abdomen with lateral segmented gills. A filamentous prolongation at the extreme of the abdomen

Last abdominal segment with 2 hooks.

Last abdominal segment without hooks or with 4 hooks.


Translation from title rios de bizkaia bizkaia rivers

Order ΕPHEMEROPTERA

Gills feathery consisting of 2 branches.

No feathery gills. Gills like a plate.

Body dorsoventrally flattened

Body not flattened dorsoventrally

Gills held on the dorsal surface of the abdominal segments.

Gills held on the lateral surfaces

Gills attached to the sides of the abdomen.

Gills on the surface of the abdomen

Gills of small size. Head triangular.

Gills well developed. Head more wide than long

2nd pair of gills modified to form covers

All gills are visible

Gills with one or more filaments

Gills without filaments


Translation from title rios de bizkaia bizkaia rivers

OrderPLECOPTERA

Tarsus segments with increasing size (1<2<3)

The 2nd segment of tarsus has smaller size than the rest

The 1st and 2nd segment of tarsus have the same size and are smaller than the 3rd

Thorax with tufted gills

Thorax without tufted gills

Larval wings extending at the side of the body. 3rd pair of legs long, exceeding the abdomen’ s length.

Larval wings parallel to the body. 3rd pair of legs short not exceeding the abdomen’s length

Last segment of labial palps reduced and more narrow than the previous

Last segment of labial palps slightly narrower than the previous

The tergites and sternites of the 8th and the 9th somites are united

The tergites and sternites of the 8th and the 9th somites are separated by a membranous band


Translation from title rios de bizkaia bizkaia rivers

Head partially sclerotized

OrderDIPTERA

Jaws in the same elongated axis of the body

Jaws are in vertical position regarding the axis of the body

Abdomen with various prolongations or not

Last abdominal segment extended

6 or more lobes surrounding the respiratory apertures

5 or less lobes surrounding the respiratory apertures

Kinetic appendages like pseudopods

Kinetic appendages forming washers

Anal prolongations smaller in size than the pseudopods

Anal prolongations longer than the pseudopods

Respiratory case surrounded by lobes more or less fragmented

4 curved anal prolongations


Translation from title rios de bizkaia bizkaia rivers

OrderDIPTERA

Head completely sclerotized

9 or more corporal segments behind the head

6 corporal segments behind the head

Presence of one and only pseudopode

Presence of 2 pseudopods

Absence of pseudopods

One thoracic and one anal pseudopod

2 abdominal pseudopods

Thorax more wide than the abdomen

Thorax as wide as the abdomen

Pseudopod present on 1st thoracic segment

One anal pseudopod

Head as long as wide

Head twice longer than broad

12 corporal segments

More than 15 corporal segments


Translation from title rios de bizkaia bizkaia rivers

Only the 1st thoracic segment completely sclerotized. 2nd and 3rd segments are soft

OrderTRICHOPTERA

1st and 2nd thoracic segments sclerotized, 3rd soft

9th abdominal segment with one dorsal sclerotized patch

9th abdominal segment without a sclerotized patch

3rd pair of legs long. Femur divided in two parts

Femur of the 3rd pair of legs not divided, consisting of one segment

Small anal hooks. Some of them have sclerotized patches on the 2nd and 3rd thoracic segments

Protuberances of 1st abdominal segment rounded.

Lateral protuberances of 1st abdominal segment compressed

Anal legs consisting of one segment

Anal legs consisting of 2 segments

Strong anal hooks

Claws of thoracic legs are longer or have the same size as tarsus

Claws of thoracic legs are short


Translation from title rios de bizkaia bizkaia rivers

1st and 2nd thoracic segment completely sclerotized. 3rd thoracic segment with sclerotized patches

Order TRICHOPTERA

All 3 thoracic segments completely sclerotized

Absence of ventral gills

Presence of gills on thorax and abdomen

Absence of protuberances on 1st abdominal segment

Presence of protuberances on 1st abdominal segment

Abdomen wider than head and thorax. Anal legs short consisting of one segment

Abdomen cylindrical. Anal legs long

1st abdominal segment with 3 lateral protuberances (1 dorsal & 2 laterals

2 lateral protuberances. Absence of dorsal protuberance

2nd thoracic segment consisting of 2 sclerotized patches

2nd thoracic segment consisting of various sclerotized patches

3rd thoracic segment with 2 or more small patches in different position.

3rd thoracic segment consisting of two big transverse patches


Translation from title rios de bizkaia bizkaia rivers

Body wide. Abdomen ending in 5 short fully sclerotized appendages.

OrderODONATA

Body narrow. Abdomen ending in 3 long branchial laminas

Mask flat without filaments

Mask hollow with filaments

1st article of the antennas has the same size or is longer than the rest. prementon with an elongated aperture

1st article of the antennas smaller than the rest. prementon without an elongated aperture

Antennas with 4 articles

Back legs shorter than the length of the abdomen

Back legs longer than the length of the abdomen

Antennas with 7 articles

prementon without an incision in the center

prementon with an incision in the center

Cerci longer than the branchial laminas

Cerci shorter than the branchial laminas

prementon with 6 filaments at least. Branchial laminas without a threadlike apex

prementon with 4 filaments. Branchial laminas ending in a threadlike apex


Translation from title rios de bizkaia bizkaia rivers

OrderCOLEOPTERA

(larvas)

Legs with 4 articles

Legs with 5 articles

9 abdominal segments

8 abdominal segments

Last abdominal segment with 4 hooks

Last abdominal segment without hooks

Head not visible

Long antennas. Body compressed

Short antennas. Body not compressed

Head visible

Legs with 2 claws. Last abdominal segment with 2 cerci

Legs with 1 claw

Last abdominal segment with gills that are retiring to an operculum

Last segment without gills


Translation from title rios de bizkaia bizkaia rivers

Metacoxas united together. Their hind part exceeds the 1st visible sternite

Τάξη COLEOPTERA Ενήλικα υδρόβια άτομα

Metacoxas not united. Their hind part does not exceed the 1st visible sternite

Labial palpsof the same size or bigger than the antennas

Labial palps shorter than the antennas

Short and strong antennas. Middle and back legs forming sculls. Eyes divided in two parts

Long antennas. Normal legs, 3rd pair of legs with long filaments. Eyes not divided.

Short antennas like a club

Short and thin antennas

Hind part of the pronotum broader than the front one

Hind part of the pronotum not broader than the front

Antennas with 10 parts. Broad metacoxal plates covering part of the femurs of the 3rd pair of legs

Antennas with 11 parts. Metacoxal plates narrow, do not cover part of the femurs of the 3rd pair of legs

Pronotum with 5 elongated lines

Pronotum without elongated lines

Elytrons truncated at the hind part of the body

Elytrons not truncated


Translation from title rios de bizkaia bizkaia rivers

Antennas longer than the head

Τάξη HETEROPTERA

Antennas not longer than the head

Head narrow and long

Head normal

Triangular structure behind of the pronotum visible

Triangular structure behind of the pronotum not visible

Antennas with 4 articles

Antennas with 5 articles

Abdomen with a long respiratory siphon

Abdomen without a respiratory siphon

Femurs of 2nd and 3rd pair of legs long, longer than the abdomen

Femurs of 2nd and 3rd pair of legs not longer than the abdomen

Body compressed

Body not compressed

Size > 5mm. Hind legs long.

Size < 3mm. Hind legs short

Tibia without hooks. Color brown-black

Tibia with hooks. Color green-yellow


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