Lutosa Walker 1869
Creators: name: Cadena-Castañeda, Oscar J.
name: García, Alexander García
name: Nos, Maria Del Pilar Castella-
name: Sarmiento, Juan Pablo Prias
name: Tavares, Gustavo Costa
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Orthoptera
Anostostomatidae
Lutosa

description: Key to Lutosa species based on males
1. Hind tibia straight, paraprocts unarmed, or if they are armed with processes in variable shapes........................ 2
- Hind tibia curved, each paraproct with a forked process at the apex.................................... L. brasiliensis
2. Posterior border of the subgenital plate, in dorsal view with calluses, with or without denticles (Figs. 8D, E)............. 3
- Posterior border of the subgenital plate, in dorsal view without modifications or sclerotized calluses (Figs. 2F, 7B)........ 6
3. Fore tibia with tympana (Fig. 8A). Posterior border of the subgenital plate almost straight and with well-sclerotized calluses (Fig. 8E)............................................................................................ 4
- Fore tibia without tympana (Fig. 10C). Subgenital plate with a U-shaped notch and with moderately sclerotized calluses............................................................................................. L. paranensis
4. Dorsal surface of the body with constant coloration, predominantly dark brown or black (Fig. 8B)..................... 5
- Dorsal surface of body variable, pro- and mesonotum reddish brown, metanotum and other abdominal tergites light reddish brown, with posterior border outlined in black (Fig. 6B).............................................. L. cubaensis
5. Epiproct triangular; paraproctal processes broad, flattened dorsoventrally, and well sclerotized (Fig. 8D). Posterior border of the subgenital plate almost straight, with a slight undulation (Fig. 8E)..................................... L. goeldiana.
- Epiproct quadrangular; paraproctal processes small, slender, and hooked. Posterior border of the subgenital plate with a small medial rectangular prolongation................................................................... L. imitata
6. Membranous space between the tenth tergite broad and in the shape of an inverted crescent moon. Epiproct rectangular, longer than wide, with a rounded posterior edge. Paraproctal processes slender and hooked, curved downwards and conspicuously protruding on the sides of the epiproct............................................................ L. normalis
- Membranous space between the tenth tergite narrow and inverted-Y-shaped. Epiproct triangular, as long as wide. Paraproctal processes like a short hook, curved upwards and slightly protruding on the sides of the epiproct (Fig. 2E).................................................................................................... L. quaresmai n. sp.
description: Published as part of Cadena-Castañeda, Oscar J., García, Alexander García, Nos, Maria Del Pilar Castella-, Sarmiento, Juan Pablo Prias & Tavares, Gustavo Costa, 2022, Studies on chevron crickets: Contribution to the knowledge of Lutosinae / ini taxa (Orthoptera: Anostostomatidae), pp. 347-379 in Zootaxa 5178 (4) on page 351, DOI: 10.11646/zootaxa.5178.4.3, http://zenodo.org/record/7031765