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New Euophryine Jumping Spiders from the Dominican Republic and Puerto Rico (Araneae: Salticidae: Euophryinae)

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New Euophryine Jumping Spiders from the Dominican Republic and Puerto Rico (Araneae: Salticidae: Euophryinae) Zootaxa 3476: 1–54 (2012) ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ ZOOTAXA Copyright © 2012 · Magnolia Press Article ISSN 1175-5334 (online edition) urn:lsid:zoobank.org:pub:10BFD90B-7275-44A7-A560-8A44B8E0DC6D New euophryine jumping spiders from the Dominican Republic and Puerto Rico (Araneae: Salticidae: Euophryinae) JUN-XIA ZHANG1 & WAYNE P. MADDISON2 1Department of Zoology, University of British Columbia, 6270 University Boulevard, Vancouver, British Columbia, V6T 1Z4, Canada E-mail: [email protected] 2Departments of Zoology and Botany and Beaty Biodiversity Museum, University of British Columbia, 6270 University Boulevard, Vancouver, British Columbia, V6T 1Z4, Canada. E-mail: [email protected] Abstract Twenty four new species and three new genera of euophryine jumping spiders from two Caribbean Islands, Hispaniola and Puerto Rico, are described. The new genera are Corticattus (C. guajataca sp. nov. and the type species C. latus sp. nov.), Popcornella (P. furc at a sp. nov., P. nigromaculata sp. nov., P. yunque sp. nov. and the type species P. spiniformis sp. nov.) and Truncattus (T. cachotensis sp. nov., T. dominicanus sp. nov. and the type species T. flavus sp. nov.). The other new species belong to the genera Agobardus (A. bahoruco sp. nov., A. cordiformis sp. nov., A. gramineus sp. nov., A. oviedo sp. nov., A. phylladiphilus sp. nov.), Anasaitis (A. adorabilis sp. nov., A. brunnea sp. nov., A. hebetata sp. nov., A. laxa sp. nov.), Antillattus (A. applanatus sp. nov.), Bythocrotus (B. crypticus sp. nov.) and Corythalia (C. broccai sp. nov., C. bromelicola sp. nov., C. coronai sp. nov., C. peblique sp. nov.). Photographs of living spiders and diagnostic illustrations are provided for all of the new species. Key words: Araneae, Salticidae, Euophryinae, new genera, new species, jumping spider, Caribbean Islands Introduction As one of the most diverse groups in the Salticidae, the subfamily Euophryinae has about 900 described species, with the majority found in the tropics of both the Old and the New World (Prószyński 1976; Maddison & Hedin 2003; Platnick 2011). Euophryine jumping spiders are abundant and diverse in the Caribbean Islands (e.g. Bryant 1940, 1943, 1947a, b, 1950; Galiano 1988; Peckham & Peckham 1901; Petrunkevitch 1930), with a total of 84 species in 27 genera reported (Platnick 2011). However, much of the euophryine jumping spider fauna in the Caribbean Islands remains undiscovered. In expeditions to two of the larger islands, Hispaniola and Puerto Rico in 2009, we collected about 66 euophryine jumping spider species, many of which are undescribed. Of these, 24 species were chosen for description here in order to give names for the taxa included in a forthcoming molecular phylogenetic study on the subfamily Euophryinae. These molecular data also provide evidence for the generic placement of species described below. Thus, we report here three new genera, Corticattus (two species), Popcornella (four species) and Truncattus (three species). An additional 15 new euophryine species are described and included in the genera Agobardus (five species), Anasaitis (four species), Antillattus (one species), Bythocrotus (one species) and Corythalia (four species). Although we do not describe all 66 species, this expedition revealed how much Caribbean euophryine diversity remains to be explored. The collected species in total belong to the described genera Agobardus (ca. 16 species), Anasaitis (ca. 15 species), Antillattus (ca. seven species), Bythocrotus (one species), Compsodecta (two species), Corythalia (six species), Dinattus (one species), Caribbean “Emathis” (three species), Wallaba (one species), and the newly described genera Corticattus gen. nov. (two species), Popcornella gen. nov. (five species) and Truncattus gen. nov. (ca. seven species). The Agobardus species have radiated into various habitats ranging from the rain Accepted by T. Szűts: 3 Aug. 2012; published: 10 Sept. 2012 1 forest to the desert dry forest, and can be found in different microhabitats such as foliage, on ground (leaf litter, grass clumps or on rocks) and tree trunks. Typical Antillattus species (e.g. A. gracilis Bryant) are foliage dwellers, but a few species are found on tree trunks (e.g. A. applanatus sp. nov.). Most species of Anasaitis, Corythalia, Dinattus and Wallaba are ground dwellers, but a few species are associated with lower foliage. Both Bythocrotus and Compsodecta are foliage-dwelling, but the Bythocrotus species described here is found in the relatively dry areas while the Compsodecta species are found in moist forests. The Caribbean “Emathis” species are collected from foliage or tree trunks. Species of Corticattus and Truncattus are exclusively tree-trunk dwellers, while the Popcornella species are found in leaf-litter in forest. Material and methods During an expedition to the Dominican Republic and Puerto Rico in 2009, we explored various habitats ranging from the highland pine forest and cloud forest to the lowland humid forest and desert dry forest. Multiple collecting techniques, including beating foliage, brushing tree trunks and searching by eye on the ground and leaf-litter, were used. Photographs of living specimens were taken with a Pentax Optio 33WR digital camera. For macro capability, a small lens was glued to it. Photographs of preserved specimens were taken under a Leica MZ16 dissecting microscope with Leica Application Suite version 3.1.0. Preserved specimens were examined under both dissecting microscopes and a compound microscope with reflected light. Drawings were made with a drawing tube on a Nikon ME600L compound microscope. Terminology is standard for Araneae. All measurements are given in millimeters. Descriptions of color pattern are based on the alcohol-preserved specimens. Carapace length was measured from the base of the anterior median eyes, not including the lenses, to the rear margin of the carapace medially; abdomen length to the end of the anal tubercle. The following abbreviations are used: ALE, anterior lateral eyes; AME, anterior median eyes; PLE, posterior lateral eyes; PME, posterior median eyes (the "small eyes"). Specimens are deposited in the Spencer Entomological Collection at the Beaty Biodiversity Museum, University of British Columbia (UBC-SEM). Taxonomy Genus Agobardus Keyserling, 1885 Small to medium sized spiders. Body is usually relatively robust, not elongate. Male cheek is strongly swollen in some species. Chelicera usually has two promarginal teeth and one bicuspid retromarginal tooth. Male chelicera of some species is relatively enlarged with modifications. Tibia and metatarsus of first leg usually have three pairs of ventral macrosetae each. Embolus usually coils for no more than one circle. Tegulum lacks proximal lobe. Epigynum has two circular areas of relatively transparent and flat integument framed by two spiral grooves, which is typical in euophryine jumping spiders and referred to here as the epigynal “window”. Window of epigynum is large or relatively small, with a median septum. Spermatheca is strongly swollen. Agobardus shows similar body form as Bythocrotus, Compsodecta and some species of Antillattus, but differs from them by the bicuspid retromarginal tooth on chelicera. It also differs from Bythocrotus by the absence of stout macrosetae on the male palpal tibia, and from most species of Compsodecta by the absence of additional apophysis on the male palpal tibia or patella besides the retrolateral tibial apophysis. Eleven species and one subspecies have been reported from the Caribbean Islands (Platnick 2011). However, some species described from Cuba (Bryant 1940) appear to belong to Antillattus Bryant, 1943 based on their diagnostic drawings. Also, some species described as Siloca Simon, 1902 (Galiano 1963) from Cuba may actually belong to Agobardus. Five new species from the Dominican Republic are described here. Placement of these new species in Agobardus is supported by unpublished molecular data. 2 · Zootaxa 3476 © 2012 Magnolia Press ZHANG & MADDISON Agobardus bahoruco sp. nov. Figs 1–10 Type material. Holotype: male, DOMINICAN REPUBLIC: Pedernales: P. N. Sierra de Bahoruco, 18.128° N, 71.558° W, elev. 1340 m, 15 July 2009, coll. W. Maddison, G. B. Edwards, J. Zhang, G. Ruiz, N. Corona, WPM#09-033 (UBC-SEM AR00030). Paratypes: 1 female, same data as holotype (UBC-SEM AR00031); 1 female, same data as holotype; 1 female, DOMINICAN REPUBLIC: Pedernales: P. N. Sierra de Bahoruco, 18.15° N, 71.60–71.62° W, elev. 1400 m, 15 July 2009, coll. W. Maddison, G. B. Edwards, J. Zhang, G. Ruiz, N. Corona, WPM#09-034. Figures 1–4. Agobardus bahoruco sp. nov. 1–3 male holotype; 4 female paratype. Figures 1–4 are copyright © 2012 W. P. Maddison, released under a Creative Commons Attribution (CC-BY) 3.0 license. Etymology. A noun in apposition taken from the type locality. Diagnosis. A. bahoruco can be distinguished from other Agobardus by the flattened body (Figs 1–4). Similar in epigynum (Fig. 9) to Agobardus phylladiphilus, but differs by abdominal markings (Figs 5–6), the modified male chelicera (Fig. 8) and the longer tibia of the male palp (Fig. 7). The flattened body is similar to Antillattus applanatus and Commoris modesta Bryant, 1943. It can be distinguished from Antillattus applanatus by the NEW EUOPHRYINE JUMPING SPIDERS Zootaxa 3476 © 2012 Magnolia Press · 3 bicuspid retromarginal tooth on the female chelicera (one unident tooth in Antillattus applanatus), the male cheliceral shape (Fig. 8), the absence of a proximal tegular
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