Neoxyphinus boibumba Abrahim and Rheims, 2012

Abrahim, Naiara, Brescovit, Antonio D., Rheims, Cristina A., Santos, Adalberto J., Ott, Ricardo & Bonaldo, Alexandre B., 2012, A Revision of the Neotropical Goblin Spider Genus Neoxyphinus Birabén, 1953 (Araneae, Oonopidae), American Museum Novitates 2012 (3743), pp. 1-76 : 52-55

Neoxyphinus boibumba Abrahim and Rheims , new species

Figures 7, 13, 22, 26, 33, 34, 38, 42, 218–241; map 5

TYPE: Male holotype from Campo de Provas Brigadeiro Velloso ( Serra do Cachimbo , 09°21′39″S 55°02′01″W), Novo Progresso, Pará, Brazil, 07–17 Sep. 2003, A.B. Bonaldo, D.R. Santos-Souza and D.D. Guimarães ( PBI OON 14295, MPEG 13671 ) .

ETYMOLOGY: The specific name refers to the Boi-Bumbá folkloric festival, which takes place annually in north and northeastern Brazil and is especially appreciated in the state of Pará.

DIAGNOSIS: Males differ from those of other species without developed carapace spikes by the combination of smooth carapace (figs. 219, 222), well-developed denticles on the anterior end of dorsal scutum (figs. 224, 226) and rounded embolus (figs. 228, 231), not elongated as in N. barreirosi . The shorter pedicel, inserted in parallel to postepigastric scutum (fig. 224), further separates this species from N. hispidus .

MALE (holotype): Total length 1.88. Carapace orange-brown, posterolateral surface without spikes, with a pair of large blunt tubercles near the posterior margin, surface of elevated portion of pars cephalica and sides smooth, lateral margins with small, inconspicuous tubercles. Clypeus margin unmodified, straight in frontal view. Eyes: ALE separated by less than their radius. Sternum as long as wide, orange-brown, median concavity absent, microsculpture absent, furrows shallow, inconspicuous, anterior margin unmodified; setae evenly scattered, originating from small tubercles. Chelicerae, endites, and labium orange-brown. Book lung covers large, ovoid. Pedicel tube long. Dorsal scutum orange-brown, surface of middle and sides smooth, anterior half with projecting denticles. Postepigastric scutum orange-brown. Legs pale orange. Spine formula: tibia I v2-4-0, metatarsus I v2-3-0. Tarsi I to IV superior claws tooth not examined in detail. Genitalia: epigastric region with sperm pore small, narrow, slitlike, situated between anterior and posterior spiracles. Palp proximal segments pale orange, cymbium and bulb yellow. Embolus rounded, without prolateral prong or prolateral lamella (figs. 227–235).

FEMALE: Unknown.

DISTRIBUTION: Known from the type locality, Serra do Cachimbo , State of Pará, Brazil (map 5) .

OTHER MATERIAL EXAMINED: BRAZIL: Pará : Novo Progresso : Campo de Provas Brigadeiro Velloso , Serra do Cachimbo , 09°21′41.5″S 55°02′07.5″W, Sept. 07–17, 2003, A.B. Bonaldo, D.R. Santos-Souza and D.D. Guimarães ( PBI _OON 14540, MPEG 13676 ; PBI _OON 40625, MPEG 16872 ; PBI _OON 40636, MPEG 16864 ; PBI _OON 40637, MPEG 16865 ; PBI _OON 40638, MPEG 16866 ; PBI _OON 40639, MPEG 16867 ; PBI _OON 40640, MPEG 16868 ; PBI _OON 40641, MPEG 16869 ; PBI _OON 40642, MPEG 16870 ; PBI _OON 40661, MPEG 16871 ; PBI _OON 40663, MPEG 16873 ; PBI _OON 40664, MPEG 16874 ), 16♂; Campo de Provas Brigadeiro Velloso , Serra do Cachimbo, Olho d’água, 09°21′45.3″S 54°54′54.4″W, Sep. 07–17, 2003, A.B. Bonaldo, D.R. Santos-Souza and D.D. Guimarães ( PBI _OON 40634, MPEG 16862 ; PBI _OON 40635, MPEG 16863 ), 2♂, Mar. 16–26, 2004, J. Ricetti, D.D. Guimarães and J.A.P. Barreiros ( PBI _OON 14537, MPEG 13673 ; PBI _OON 14539, MPEG 13675 ; PBI _OON 40669, MPEG 16879 ), 3♂, Mar. 22–25, 2004, same ( PBI _OON 14542, MPEG 14145 ), 3♂; Campo de Provas Brigadeiro Velloso , Serra do Cachimbo , Rio Formiga , 09°22′02.9″S 55°01′11.9″W, Sept. 07–17, 2003, A.B. Bonaldo, D.R. Santos-Souza and D.D. Guimarães ( PBI _OON 14538, MPEG 13674 ; PBI _OON 14541, MPEG 13677 ; PBI _OON 40665, MPEG 16875 ; PBI _OON 40666, MPEG 16876 ; PBI _OON 40667, MPEG 16877 ; PBI _OON 40668, MPEG 16878 ), 7♂, Mar. 16–26, 2004, J. Ricetti, D.D. Guimarães and J.A.P. Barreiros ( PBI _OON 14543, MPEG 13672 ; PBI _OON 40670, MPEG 16880 ), 2♂; Campo de Provas Brigadeiro Velloso, Serra do Cachimbo, 2004, no collector ( PBI _OON 40633, MPEG 16861 ), 1♂ .

Figs. 218–226. Neoxyphinus boibumba , new species, male. 218, 219. Habitus, dorsal view. 220. Same, lateral view. 221. Carapace, anterior view. 222. Same, posterior view. 223. Sternum and mouthparts, ventral view. 224. Abdomen, lateral view. 225. Same, ventral view. 226. Same, anterior view.

Figs. 227–235. Neoxyphinus boibumba , new species, male. 227. Right palp, prolateral view. 228. Same, ventral view. 229. Same, retrolateral view. 230. Left embolus, prolateral view. 231. Right embolus, ventral view. 232. Left embolus, retrolateral view. 233. Same, prolateral view. 234. Same, ventral view. 235. Same, retrolateral view.

Figs. 236–241. Neoxyphinus boibumba , new species, male. 236. Carapace, lateral view. 237. Sternum and mouthparts, ventral view. 238. Mouthparts, posterior view. 239, 240. Abdomen, lateral view. 241. Same, anterior view.