Larinia, Simon, 1874

Framenau, Volker W. & Castanheira, Pedro De S., 2022, Two new species in the orb-weaving spider genus Larinia Simon, 1874 (Araneae, Araneidae) from Western Australia, Zootaxa 5092 (3), pp. 350-360 : 352

publication ID

https://doi.org/ 10.11646/zootaxa.5092.3.6

publication LSID

lsid:zoobank.org:pub:E6171EAA-9AAE-4564-A7B7-57AFC558641A

DOI

https://doi.org/10.5281/zenodo.5889115

persistent identifier

https://treatment.plazi.org/id/1B4D7B58-3F33-FFF6-0985-FF7098B86AAC

treatment provided by

Plazi

scientific name

Larinia
status

 

Key to the species of Larinia View in CoL View at ENA in Australia

The use of this keys requires reference to images in Framenau & Scharff (2008).

1 Carapace much higher in thoracic region than in cephalic region, with deep longitudinal fovea ( Framenau and Scharff 2008, fig. 50)........................................................................................ L. delicata View in CoL

- Carapace of equal height over its whole length.............................................................. 2

2 Males .............................................................................................. 3

- Females............................................................................................ 8

3 Femur IV of males without baso-ventral spines; median apophysis with two neighbouring, apically directed spines ( Figs 1B View FIGURE 1 , 4B View FIGURE 4 ; Framenau & Scharff 2008, fig. 29).................................................................... 4

- Femur IV of males with two (rarely one or three) baso-ventral spines ( Framenau & Scharff 2008, figs. 2, 13, 37)......... 6

4 Abdomen at least 3 times as long as wide ( Framenau & Scharff 2008, fig 23)............................. L. phthisica View in CoL

- Abdomen less than 3 times as long as wide ( Figs 1A View FIGURE 1 , 4A View FIGURE 4 )..................................................... 5

5 Body length more than 4 mm; apical spines of median apophysis very strong ( Figs 1C View FIGURE 1 , 3A View FIGURE 3 )............... L. sexta View in CoL n. sp.

- Body length less than 3 mm; apical spines of median apophysis weak ( Fig 4C View FIGURE 4 , 6A View FIGURE 6 ).................... L. tumulus View in CoL n. sp.

6 Median apophysis almost rectangular in ventral view ( Framenau & Scharff 2008, fig. 17), without apical hook or keel............................................................................................... L. montagui View in CoL

- Median apophysis of variable shape, with apical keel ( Framenau & Scharff 2008, fig. 6) or apically directed hook-shaped process ( Framenau & Scharff 2008, fig. 41)................................................................ 7

7 Median apophysis with keel ( Framenau & Scharff 2008, fig. 6)....................................... L. jamberoo View in CoL

- Median apophysis with apically directed hook shaped process ( Framenau & Scharff 2008, fig. 41)............. L. tabida View in CoL

8 Epigynum with scape (i.e., only connected to epigynum anteriorly) ( Framenau & Scharff 2008, figs 30, 43), which is almost always broken off (figs 2C, 3C, 5C, 6C; Framenau & Scharff 2008, fig. 32)....................................... 9

- Epigynum with median septum (i.e., central structure. that is connected to epigynum over its whole length), never broken off ( Framenau & Scharff 2008, figs 7, 18)................................................................... 11

9 Abdomen at least 3 times as long as wide ( Framenau & Scharff 2008, figs 25, 38)................................ 10

- Abdomen less than 3 times as long as wide ( Figs 2A View FIGURE 2 , 5A View FIGURE 5 ).................................................... 12

10 Rim of epigynum distinct almost all around and comparatively narrow ( Framenau & Scharff 2008, fig. 43); outline of scape (if present) drop-shaped ( Framenau & Scharff 2008, fig. 43).............................................. L. tabida View in CoL

- Rim of epigynum distinct mainly along posterior margin and comparatively wide ( Framenau & Scharff 2008, figs 30, 32); scape (if present) with almost parallel lateral margins slightly narrowing posteriorly ( Framenau & Scharff 2008, fig. 30).............................................................................................. L. phthisica View in CoL

11 Median septum indistinct, wider anteriorly than posteriorly; epigynum somewhat nose-shaped ( Framenau & Scharff 2008, fig. 7)........................................................................................ L. jamberoo View in CoL

- Median septum wider posteriorly than anteriorly ( Framenau & Scharff 2008, fig. 18)..................... L. montagui View in CoL

12 Body length more than 5 mm; epigynum with pronounced median septum ( Figs 2C View FIGURE 2 , 3D View FIGURE 3 )................. L. sexta View in CoL n. sp.

- Body length less than 4 mm; epigynum without median septum ( Figs 5C View FIGURE 5 , 6D View FIGURE 6 )........................ L. tumulus View in CoL n. sp.

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Araneidae

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