Mummucina

Reyes, González, Ximena, Andrea & Corronca, José Antonio, 2013, A new solifugae species of Mummucina Roewer, 1934 (Solifugae, Mummuciidae) from the Northwest of Argentina, Zootaxa 3737 (5), pp. 538-544 : 539

Key of the known species of Mummucina

Note. We did not include Mummucina exlineae Mello-Leitão, 1943 in the key, because according to the original description, the fixed finger of the chelicerae has two equal-sized anterior teeth, one intermediate tooth, and one strongest principal tooth, which does not agree with the diagnosis of the genus proposed by Roewer (1934). Furthermore, the original description of M. exlineae did not include any figures and the type specimen, a female, is considered lost or possibly destroyed (Kury and Nogueira 1999). Hence, we consider this species as Incertae Sedis. The distribution of the genus and the known species is shown in Fig. 2.

1. Females............................................................................................. 2

- Males............................................................................................... 5

2. Movable finger of the chelicerae with two intermediate teeth................................... M. titschacki Roewer

- Movable finger of the chelicerae with only one intermediate tooth.............................................. 3

3. Anterior, intermediate, and principal teeth of the cheliceral fixed finger equal in size.................. M. colinalis Kraus

- Teeth of the cheliceral fixed finger not equal in size.......................................................... 4

4 Three fondal ectal teeth on the fixed finger of the chelicerae; chelicerae and propeltidium colouration without markings............................................................................................ M. romero Kraus

- More than three fondal ectal teeth, usually five, on the fixed finger of the chelicerae; chelicerae and propeltidium white-greyish with dark markings....................................................................... M. puna sp. nov.

5. Oval flagellum, narrowed in basal portion, with an anterior end wider than the basal portion........ M. masculina Lawrence

- Vesicular flagellum, with the wide portion in basal position and narrow anterior end............................... 6

6. Cheliceral fixed finger with anterior teeth subequal in size, first two anterior teeth very small and equal in size; anterior end of the flagellum reaching the middle portion of the first anterior tooth................................ M. colinalis Kraus

- Second anterior tooth normal, not so small, first and third anterior teeth equal in size and greater than the second; anterior end of the flagellum reaching beyond the first anterior tooth.......................................... M. puna sp. nov.

Figures

FIGURES 1 – 2. Fig. 1. Collection localities of the Mummucina puna sp. nov., Fig. 2. Distribution of the known species of the genus Mummucina.