Published December 31, 2009 | Version v1
Taxonomic treatment Open

Scytodes ilhota Rheims & Brescovit, 2009, new species

Description

Scytodes ilhota new species

Figs. 153–156

Scytodes lineatipes: Keyserling 1891: 163, pl. 5, fig. 112 (only the male from Blumenau, misidentification).

Type material: Holotype: male from Morro do Baú [26°48'29" S; 48°57'19" W], Ilhota, Santa Catarina, Brazil, 4 February 1996, A.B. Kury, A.B. Bonaldo & R. Pinto da Rocha, deposited in MCN.

Etymology. The specific name is a noun in apposition that refers to the type locality of the holotype.

Diagnosis. Males of Scytodes ilhota n.sp. are distinguished from those of the remaining Neotropical Scytodes by the distal area of the bulb with a dorsal, truncated and concave region and a ventral sclerotized process (Figs. 154–156).

Description. Male (Holotype, MCN). Carapace pale yellow with dark brown pattern, as shown on Fig. 153. Chelicerae pale yellow with median longitudinal brown stripe. Pedipalps pale yellow with few ventral and prolateral brown marks. Labium and endites pale yellow. Sternum pale yellow with faint brown markings in front of each coxae. Legs pale yellow. Femora I-IV with ventral, longitudinal marks. Abdomen gray with black pattern (Fig. 153). Total length 3.3. Carapace slightly domed, 1.7 long, 1.5 wide. Eye diameters: PME 0.14, ALE 0.14, PLE 0.14. Lateral eyes on a tubercle. Chelicerae with subapical hyaline keel and ten slightly conspicuous stridulatory ridges. Labium 0.14 long, 0.18 wide. Sternum 0.94 long, 0.74 wide. Leg measurements: I: femur 3.4, patella 0.4, tibia 3.7, metatarsus 4.3, tarsus 0.7, total 12.5; II: 2.4, 0.4, 2.4, 2.7, 0.6, 8.5; III: 1.6, 0.4, 1.3, 1.6, 0.5, 5.4; IV: 2.3, 0.4, 2.0, 2.3, 0.5, 7.5. Palpal femur with stridulatory pick short and stout on triangular and projected socket. Cymbium with single strong distal spine (Figs. 154–155). Bulb 0.48 long, medially constricted, with dorsal, truncated and concave distal region and a ventral sclerotized process (Figs. 154–156). Abdomen 1.6 long, 1.3 wide, covered with slender hairs.

Female unknown.

Distribution. Atlantic Forest. Only known from the type locality, in the state of Santa Catarina.

Notes

Published as part of Rheims, Cristina A. & Brescovit, Antonio D., 2009, New additions to the Brazilian fauna of the genus Scytodes Latreille (Araneae: Scytodidae) with emphasis on the Atlantic Forest species, pp. 1-45 in Zootaxa 2116 on page 43, DOI: 10.5281/zenodo.187984

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Linked records

Additional details

Biodiversity

Family
Scytodidae
Genus
Scytodes
Kingdom
Animalia
Order
Araneae
Phylum
Arthropoda
Species
ilhota
Taxonomic status
sp. nov.
Taxon rank
species
Taxonomic concept label
Scytodes ilhota Rheims & Brescovit, 2009

References

  • Keyserling, E. (1891) Die Spinnen Amerikas. Brasilianische Spinnen. Nurnberg, 3, 1 - 278.