Delostichus talis (Jordan)

Berrizbeitia, M. Fernanda Lopez, Sanchez, R. Tatiana, Barquez, Ruben M. & Diaz, M. Monica, 2017, An update on the distribution and nomenclature of fleas (Order Siphonaptera) of bats (Order Chiroptera) and rodents (Order Rodentia) from La Rioja Province, Argentina, ZooKeys 678, pp. 139-154 : 140

Delostichus talis (Jordan) Fig. 2c, d

Distribution in Argentina.

Buenos Aires, Chubut, La Pampa, Mendoza, Río Negro, and San Juan ( Lareschi et al. 2016).

Material examined.

Vinchina Department : (2) Quebrada de Santo Domingo 30 km SW of Jagüé (28°31'34.7"S, 68°46'13.8"W), 3131 m Microcavia sp., 6.III.2015, RTS (212), 3 ♂ CMLA (619, 620, 621), 6 ♀ CMLA (613, 614, 615, 616, 617, 618) .

Remarks.

Delostichus talis differs from the other species of the genus by the distal arm of sternum IX which is widest at the middle and have a pointed apex in males; and the posterior margin of sternum VII presents a broad lobe in females ( Smit 1987). This is the first record of the genus Delostichus for La Rioja Province and the first record of the species D. talis for northwestern Argentina. The geographical distribution of the species is extended~ 400 km north of the northernmost available record, cited by Lareschi et al. (2016) (Las Casuarinas, San Juan Province). The locality of the Material Examined corresponds to the Puna eco-region.

Figures

Figure 2. Species of fleas representing the first record for La Rioja Province, Argentina. a Craneopsylla minerva, ♀ CMLA (608) (Stephanocircidae b Polygenis (Polygenis) acodontis, ♂ CMLA (674) (Rhopalopsyllidae) c Delostichus talis, ♀ CMLA (616) (Rhopalopsyllidae) d Delostichus talis, ♂ CMLA (619) (Rhopalopsyllidae) e Tiamastus palpalis, ♀ CMLA (631) (Rhopalopsyllidae) f Tiamastus palpalis, ♂ CMLA (629) (Rhopalopsyllidae). Scale = 500 um.