Orchestina caxiuana Izquierdo, 2017

Izquierdo, Matías Andrés & Ramírez, Martín J., 2017, Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae), Bulletin of the American Museum of Natural History 2017 (410), pp. 1-1 : 1-

Orchestina caxiuana Izquierdo , new species

Figures 121 , 135A , 138A , 142D , map 23

Type: Female holotype from Brazil: Pará: Santarem: Plote PPBio, Igarapé Caquajó, Floresta Nacional de Caxiuanã, -1.96055°, -51.61250°, May 08, 2010, S.C. Dias et al., deposited in MPEG 016709, PBI_OON 43332.

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Females can easily be distinguished by the internal genitalia, which has the anterior receptaculum with wide base, two parallel bars projecting anteriorly, and lateral plates ending in two well-developed internal pockets (figs. 135A, 138A, 142D).

MALE: Unknown.

FEMALE (PBI_OON 43332): Total length 1.33. Habitus as in figure 121.

CEPHALOTHORAX: Carapace orange. Clypeus slightly sloping forward. Sternum as long as wide. Labium rectangular. LEGS: Missing. GEN-

ITALIA: External pockets absent, internal pockets well developed; anterior receptaculum without anterior apodemes, base wide with two parallel bars directed anteriorly, lateral plates present; posterior receptaculum probably absent, posterior apodeme formed by entire plate (figs. 135A, 138A, 142D).

DISTRIBUTION: Known only from the type locality in Brazil (Pará, map 23).

OTHER MATERIAL EXAMINED: None.

Figures

FIGURE 121. Orchestina caxiuana, habitus of female holotype. A. Dorsal. B. Ventral. C. Lateral. Scale bars: A, B. 0.2 mm. C. 0.5 mm. (PBI_OON 43332).

FIGURE 135. Orchestina spp., female genitalia, ventral view. A. O . caxiuana, holotype. B. O . para, holotype. C. O . platnicki, paratype. D. O . iemanja. E. O . bonaldoi. F. O . rapaz, paratype. Scale bars: 0.2 mm. (PBI_OON 43332, 40488, 43324, 30278, 40475, 30286).

FIGURE 138. Orchestina spp., cleared female genitalia, ventral view. A. O . caxiuana, holotype. B. O . para. C. O . iemanja, paratype. D. O . bonaldoi. E. O . rapaz, paratype. F. O . itapety, holotype. Scale bars: 0.2 mm. (PBI_OON 43332, 40484, 30752, 40475, 30286, 42220).

FIGURE 142. Orchestina spp., drawings of female genitalia, ventral view. A. O . moura. B. O . valquiria. C. O . taruma, paratype. D. O . caxiuana, holotype. E. O . para. F. O . platnicki. Scale bars 0.1 mm. (PBI_OON 43337, 40491, 30290, 43332, 40484, 43324).