Pseudosinella logrognensis, Simón, José C. & Palacios-Vargas, José G., 2008

Simón, José C. & Palacios-Vargas, José G., 2008, Four new Pseudosinella (Collembola: Entomobryidae) from La Rioja, Spain, Zootaxa 1728, pp. 59-68 : 59-61

Pseudosinella logrognensis sp. nov.

Figs 1–4 , Table 1

Material examined. Spain, La Rioja, Leiva: male (holotype) in the sample of ecologic horticultural 4 LEHE 4, 20.i.2004; male (paratype) from a sample of soil of conventional fruit plantation 4 LEFRC 1, 15.xi.2003; two specimens (paratypes) from a sample of soil of conventional fruit plantation 4 LEFRC 4, 15.xi.2003; one specimen (paratype) from a sample of soil of conventional fruit plantation 4 LEFRC 5, 15.xi.2003. Santo Domingo: one specimen from the sample of ecologic horticultural 4 STHE 3, 12.v.2003. C. Gutiérrez Martín coll. All the specimens on slides in the laboratory of Zoology of the Universidad Autónoma de Madrid, Spain.

Etymology. This species is named after Logroño, capital of La Rioja.

Description. Length 1.25–1.3 mm. Body without pigment, 5+5 eyes.

Antenna without pigment or scales, its proportion with head 1.2. Ant. IV without apical bulb. Apical organ of third antennal segment with two straight short rods, easy to observe.

Head with macrosetae R0, R1 and R2, S, T and Po macrosetae. R3 absent. Labial formula: -M2rEL1L2,L1 is half the length of L2 ( Fig.1 ). Differentiated setae of outer labial papilla (E) straight and its apex no reaching apex of papilla, with three sublobal setae on the external part of maxillary outer lobe. Four ciliated setae along the ventral cephalic furrow. Four triangular labral papillae.

Legs without scales, tibiotarsus with ciliate and acuminate macrosetae and acuminate tenent hair, smaller than the internal length of unguis. Unguis with inner distal unpaired tooth located about 55 % the length of unguis. Basal pair of inner ungual teeth of similar size, distal tooth about 41 % of the internal side of unguis and the other about 33 % ( Fig. 4 ). Unguiculus smooth and about half the length of unguis.

Dorsal macrosetae formula: R111/00/0101+2. Chaetotaxy of Abd. II: paBq1q2, a is one smooth seta ( Fig. 3 ) Bothriotrical complex on Abd. IV without accesory seta “s” ( Fig. 2 ).

Ventral tube with 5+5 smooth distal setae and 2+ 2 in the posterior medial region. Retinaculum with 4+4 teeth and one seta on the base. Distal part of manubrium dorsally with two internal and 3–4 external setae separated by two pseudopores. Mucro bidentate, mucronal spine smooth.

Remarks. The differences among most similar species with 5 eyes and the same thoracic and abdominal macrochaetotaxy species are shown in table 1.

Species Author Eyes Dorsal S and or Labial formula Labial II Abd. Tenent macrosetae T R hair

horaki Rusek 5 R001/00/0101+2 absent M1M2REL1L2 ciliated paBqq clavate mucronata Gouze & Deharveng, 6–5 R000/00/0101+2 absent m1M 1m 2Rel1l2 ciliated -aBqq acuminate huetheri Stomp 5 R001/00/0101+2 absent M 1m 2Rel1L2 ciliated -aBq clavate mauli Stomp 5 R001/00/0101+2 absent M1M2rELL2 not ciliated paBq clavate sandelsorum Gruia 5 R001/00/0101+2 absent M1M2RELL2 ciliated paBqq clavate theodoridesi Gisin & Gama 5 R011/00/0101+2 present M1M2REL1L2 ciliated paBqq acuminate logrognensis sp. nov. 5 R111/00/0101+2 present -M2rEL1L2 not ciliated paBqq acuminate

Figures

FIGURES 1 – 4. Pseudosinella logrognensis sp. nov.: 1, labium; 2, chaetotaxy of anterior bothriotrichal complex of Abd. IV; 3, chaetotaxy of Abd. II; 4, apex of tibiotarsus III, unguis and unguiculus.