Troglobius albertinoi, Cipola & de Morais & Bellini, 2016

Cipola, Nikolas G., de Morais, José W. & Bellini, Bruno C., 2016, A new epigeous species of Troglobius (Collembola: Paronellidae: Cyphoderinae) from Brazil and notes on the chaetotaxy of the genus, Florida Entomologist 99 (4), pp. 658-658 : 658-

Key to World Species of Troglobius

1.— Abdomen IV with macrochaetae A5 and E2; unguis with 1 or 2 unpaired teeth; mucro inner lamella with 1 or more teeth............ 2

1’.— Abdomen IV without macrochaetae A5 and E2; unguis without unpaired teeth; mucro inner lamella without teeth...... T. coprophagus Palacios-Vargas & Wilson, 1990 ( Madagascar)

2.— Metathorax without macrochaetae A6 and P3; abdomen II without p5 and with m3 macrochaetae; unguis with 1 unpaired tooth; mucro inner lamella with 1 tooth ( Figs. 20b and 21 )........................................................................... 3

2’.— Metathorax with macrochaetae A6 and P3; abdomen II with p5 and without m3 macrochaetae; unguis with 2 unpaired teeth; mucro inner lamella with more than 12 teeth........................................ T. brasiliensis Palacios-Vargas & Zeppelini, 1995 ( Brazil)

3.— Abdomen III with macrochaeta P6; abdomen IV without chaeta B6 and posterior margin with 4 pseudopores;trochanteral organ with about 34 spine-like chaetae............................................... T. ferroicus Zeppelini, Silva & Palacios-Vargas, 2014 ( Brazil)

3’.— Abdomen III without macrochaeta P6; abdomen IV with chaeta B6 and posterior margin with 1 pseudopore plus 2 ciliated chaetae; trochanteral organ with about 11 spine-like chaetae................................................ T. albertinoi sp. nov. ( Brazil)

Figures

Figs.9–21. Troglobius albertinoi sp. nov. (9) Antenna III chaetotaxy.(10) Labial papilla and proximal chaetae.(11) Maxillary palp.(12) Mandibles.(13) Right maxilla. (14) Subcoxa I. (15) Subcoxa II. (16) Subcoxa III. (17) Trochanteral organ. (18) Hind foot complex. (19a and b) Collophore: (19a) anterior face; (19b) posterior face. (20a and b) Furca (black dots mark smooth chaetae, white circles mark ciliate chaetae, and ‘x’ symbols mark scales): (20a) manubrium anterior face; (20b) furca posterior face. (21) Mucro (lateral view), arrows indicate present or absent teeth.