Monatractides

Pešić, Vladimir & Smit, Harry, 2012, Water mites of the genus Monatractides (Acari: Hydrachnidia, Torrenticolidae) from Australia, with descriptions of four new species, Zootaxa 3248, pp. 1-24 : 23

publication ID

https://doi.org/ 10.5281/zenodo.209671

DOI

https://doi.org/10.5281/zenodo.5618309

persistent identifier

https://treatment.plazi.org/id/CD2387AF-FFC4-FFEE-FF2D-C35BFA64FC2D

treatment provided by

Plazi

scientific name

Monatractides
status

 

Key to the Monatractides species from Australia

1 Anterior part of Cx-1 with 7–12 pairs of knob-shaped protrusions at the ventral surface, medial suture line of Cx-2+ 3 in male relatively long (L> 100 µm)......................................................... M. polypapillatus sp. nov.

- Anterior part of Cx-1 without knob-shaped protrusions at the ventral surface, medial suture line of Cx-2+ 3 in male relatively shorter (L <100 µm)................................................................................... 2

2 Posterior suture line of Cx-4 partly distinct or indistinct....................................................... 3

- Posterior uture line of Cx-4 well distinct...................................................................4

3 Large in size (idiosoma length 650–850); posterior suture line of Cx-4 indistinct, excretory pore in the male embedded in the area of primary sclerotization............................................................. M. harveyi sp. nov.

- Small in size (idiosoma length 580–620); posterior suture line of Cx-4 partly distinct, excretory pore in the male not embedded in the area of primary sclerotization....................................................... M. fontinalis sp. nov.

4 Cx-1 short and anteriorly broad, capitular bay relatively wide (L/W <2.5), frontal platelets relatively narrow (L/W> 2.5), P-4 with a well visible denticle near the insertion of the ventral hairs............................ M. kotooma ( Cook, 1986)

- Cx-1 elongated and anteriorly slender, capitular bay relatively narrow (L/W> 2.5), frontal platelets relatively broad (L/W <2.4), P-4 with a less pronounced denticle near insertion of the ventral hairs........................................ 5

5 Vgl-2 slightly anterior to, or on, the level of excretory pore, excretory pore away from line of primary sclerotization, posterior suture line of Cx-4 medially approached to each other and well posterior to the posterior margin of genital field................................................................................................. M. ironicus sp. nov.

- Vgl-2 well posterior to excretory pore, excretory pore in an identation of the line of primary sclerotization, posterior suture line of Cx-4 medially approached to each other and close to the posterior margin of genital field.... M. australicus ( Cook, 1986)

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