Taxonomic revision of the ant (Hymenoptera: Formicidae) genus Paraparatrechina in the Afrotropical and Malagasy Regions
Author
Lapolla, John S.
Author
Cheng, Chiu H.
Author
Fisher, Brian L.
text
Zootaxa
2010
2387
1
27
journal article
10.5281/zenodo.193808
9f229dfd-c07e-444d-b063-45a884c0adb9
1175-5326
193808
Key to
Paraparatrechina
workers in the Afrotropical and
Malagasy
Regions
1. Eyes small relative to head length (REL ≤ 16)............................................................................................................. 2
- Eyes medium to large relative to head length (REL ≥ 17) ........................................................................................... 5
2. Eyes consisting of less than 10 facets; polymorphic, with clearly expressed major caste; West Africa ...................... 3
- Eyes consisting of more than 10 facets; monomorphic;
Madagascar
........................................................................... 4
3. Head, scapes, and legs with numerous erect setae............................................................................................
bufonus
- Head with only sparsely scattered erect setae; scapes and legs without erect setae.............................................
weissi
4. Scape with decumbent pubescence; scapes surpass posterior margin by approximately length of the first 3–4 funicu- lar segments ..........................................................................................................................................................
myops
- Scape with appressed pubescence; scapes surpass posterior margin by approximately length of the first 2–3 funicular segments.........................................................................................................................................................
ocellatula
5. Mesosoma elongate in lateral view, with pronotum gently rising towards mesonotum............................................... 6
- Mesosoma compact in lateral view, with pronotum steeply rising towards mesonotum ............................................. 8
6. Propodeum with a short, angular dorsal face, and a long declivitous face; scape length <
0.6 mm
;
Madagascar
.......... .............................................................................................................................................................................
glabra
- Propodeum with rounded dorsal face, not conspicuously longer than declivitous face; scape length>
0.6 mm
; East & West Africa ................................................................................................................................................................... 7
7. Scape length>
0.72 mm
; tibiae same brown color as mesosoma; protrochanter brown as in mesosoma, but meso/ metatrochanters may be lighter brown; mandibles and antennae typically same brown color as head
.........
splendida
- Scape length <
0.72 mm
; tibiae whitish to brownish-yellow; all trochanters white; mandibles and antennae yellow- ish-brown, contrasting with brown head......................................................................................................
concinnata
8. Yellow to brownish-yellow species, although may possess a conspicuously darker gaster that is brown in color......9
- Brown to dark brown species with the gaster the same color as the head and mesosoma ......................................... 12
9. Gaster brown, conspicuously contrasting with yellow head and mesosoma...............................................
umbranatis
- Gaster brownish-yellow to yellow, not conspicuously contrasting with head and mesosoma ................................... 10
10. Smaller species (HL & SL <
0.4 mm
) ................................................................................................................
gnoma
- Larger species (HL & SL>
0.4 mm
) .........................................................................................................................11
11. Head and scapes with decumbent pubescence; REL ≤ 22................................................................................
subtilis
- Head and scapes with appressed pubescence; REL ≥ 23.....................................................................................
oreias
12. Mesosomal dorsum (primarily pronotum and mesonotum) much lighter (almost white in some specimens) than remainder of mesosoma, head and gaster; white colored pubescence covering body ......................................
albipes
- Mesosomal dorsum not much lighter than remainder of mesosoma, head and gaster; golden colored pubescence cov- ering body ......................................................................................................................................................
brunnella