Plant mites of the Dominican Republic, with a description of a new species of Petrobia (Tetranychina) Wainstein, 1960 (Acari, Prostigmata, Tetranychidae) and a key to the species of this subgenus
Martínez, Leocadia Sánchez
Flechtmann, Carlos H. W.
De Moraes, Gilberto J.
Zootaxa
2014
3846
4
547
560
[517,664,1463,1489]
Arachnida
Tetranychidae
Petrobia
Animalia
Prostigmata
11
558
Arthropoda
genus
1. Dorsal opisthosomal setae very short, not reaching bases of consecutive setae, except for f1and f2which are longer........ 2 - Dorsal opisthosomal setae longer than longitudinal distances between bases of consecutive setae....................... 6 2. All dorso-opisthosomal setae set on tubercles............................. P. ( T.) prasadi Baker& Tuttle, 1994( USA) - Only dorsal opisthosomal setae f1and f 2seton tubercles....................................................... 3 3. Peritreme ending in anastomosing chambers forming a globular structure......................................... 4 - Peritreme ending in a single chamber, straight or slightly hooked................................................ 5 4. Seta f1surpassing base of f2......................................... P. ( T.) californica Baker& Tuttle, 1994( USA) - Seta f1not reaching base of f2................................................. P. ( T.) apicalis Banks, 1917( USA) 5. All legs shorter than idiosoma (not including gnathosoma); distal section of peritreme slightly curved.......................................................................................... P. ( T.) marsai Manson, 1964( Tunisia) - Legs I and IV longer than idiosoma (not including gnathosoma); distal section of peritreme sigmoid..................................................................................... P. ( T.) donnalucatensis Vacante, 1983(Sicily) 6. Legs I shorter than idiosoma (not including gnathosoma)...................................................... 7 - Legs I as long as or longer than idiosoma (not including gnathosoma)............................................ 8 7. Dorsal body setae acutely tapering from base, set on moderate tubercles; females large, up to 950 µm long........................................................................ P. ( T.) zachvatkini Reck & Bagdasarian, 1949( Armenia) - Dorsal body setae filiform (more or less cylindrical) and set on very strong tubercles. Females ca. 580 µm long........................................................................ P. ( T.) moutiai Baker& Pritchard, 1960( Mauritius) 8. Tubercles of dorsocentral setae c1, d1and e1contiguous....................................................... 9 - Tubercles of dorsocentral setae separated................................................................... 0 9. Peritreme ending in a simple, hooked chamber..................... P. ( T.) uncata( Flechtmann & Moraes, 1991) ( Brazil) - Peritreme ending in anastomosing chambers forming a globular structure........ P. ( T.) lippiae Baker& Tuttle, 1994( USA) 10. Legs I at most 1.5 times as long as idiosoma (not including gnathosoma)............. P. ( T.) lupini McGregor, 1950( USA) - Legs I at least twice as long as idiosoma (not including gnathosoma)............................................ 11 11. Legs I about twice as long as idiosoma (not including gnathosoma)............................................. 12 - Legs I well over twice as long as idiosoma (not including gnathosoma).......................................... 14 12. Stylophore with numerous anterior papillae................................. P. ( T.) tribulus Chaudhri, 1972( Pakistan) - Stylophore smooth.................................................................................... 13 13. Peritreme ending in a simple chamber............................................ P. ( T.) harti Ewing, 1909( USA) - Peritreme ending in anastomosing chambers forming a globular structure..... P. ( T.) hispaniola n. sp.( Dominican Republic) 14. Stylophore with an anteromedian notch and papillate; tibia I with 27 setae; tarsus I with 30 setae............................................................................................ P. ( T.) nocitus Chaudhri, 1972( Pakistan) - Stylophore without anteromedian notch, papillate or not; tibia I with 23–26 setae; tarsus I with 25–28 setae............. 15 15. Peritreme enlarged and hooked distally; stylophore without papillae....... P. ( T.) kleptes Kamran & Afzal, 2004( Pakistan) - Peritreme ending in anastomosing chambers, forming a heart shaped bulb; stylophore papillate....................... 16 16. Dorsal idiosomal striation simple; leg IV ca 1200 µm long................... P. ( T.) afzali Sabri & Afzal, 2007( Pakistan) - Dorsal idiosomal striation dotted; leg IV ca. 938 µm long........................ P. ( T.) cardi Chaudhri, 1972( Pakistan)