Bochicidae

Reboleira, Ana Sofia P. S., Zaragoza, Juan A., Gonçalves, Fernando & Oromí, Pedro, 2010, Titanobochica, surprising discovery of a new cave-dwelling genus from southern Portugal (Arachnida: Pseudoscorpiones: Bochicidae), Zootaxa 2681, pp. 1-19 : 17

Key to the genera of Bochicidae

[Modified from Muchmore (1998) to incorporate the genera Spelaeobochica , Troglobisium and Titanobochica. Genera and new localities data from Mahnert (2001) and Harvey (2009)]

1 Apex of palpal coxa acute; trichobothrium ist close to est and usually distal; leg IV with femur/patella suture not more than 1/4 length of combined segment from proximal end (F/F+P <0.25) (subfamily Bochicinae ) ................... 2

- Apex of palpal coxa rounded; trichobothrium ist usually far proximal of est; leg IV with femur/patella suture at least 1/3 length of combined segment from proximal end (F/F+P>0.3) (subfamily Leucohyinae ).................................... 9

2 Venom apparatus well developed only in movable finger of pedipalpal chela, tip of fixed finger rounded ............... 3

- Venom apparatus well developed in both fingers of chela .......................................................................................... 5

3 Sternites IV-VII with distinct multiseriate setae .......................................... Titanobochica ( Portugal; cave-dwelling).

- Sternites IV-VII with uniseriate setae, two median subdiscal setae often present........................................................ 4

4 Prominent tubercle at the base of the antiaxial face of the pedipalpal femur present .................................................... ................................................................................................................ Vachonium ( Belize, Mexico; cave-dwelling).

- Without prominent tubercle at the base of the antiaxial face of the pedipalpal femur ................................................... ............................................................................................................................ Troglobisium ( Spain; cave-dwelling).

5 Trichobothrium ib in distal position on dorsum of chelal hand; some accessory teeth on both chelal fingers .............. ........................................................................................................................ Spelaeobochica ( Brazil; cave-dwelling).

- Trichobothrium ib in basal position on dorsum of chelal hand; no accessory teeth on chelal fingers ........................ 6

6 Two eyes present........................................................ Bochica ( Grenada, Trinidad and Tobago, Venezuela; epigean).

- Eyes absent ................................................................................................................................................................... 7

7 Pedipalp articles exceptionally slender, pedipalpal chela more than 8 times as long as broad ...................................... ............................................................................................................................. Troglohya ( Mexico; cave-dwelling).

- Pedipalpal articles not as slender, chela not more than 6.5 times as long as broad..................................................... 8

8 Cheliceral flagellum of 2 long setae plus both a distal and a proximal spinule ............................................................. ....................................................................................................................... Troglobochica ( Jamaica; cave-dwelling).

- Cheliceral flagellum of 3 long setae plus a distal spinule only .......................... Antillobisium ( Cuba; cave-dwelling).

9 Venom apparatus well developed only in movable finger of pedipalpal chela, tip of fixed finger rounded .................. ..................................................................................................................... Paravachonium ( Mexico; cave-dwelling).

- Venom apparatus well developed in both fingers of pedipalpal chela........................................................................ 10

10 Each pedal tarsus with a spine at distal end.................................................................................................................... ........................ Mexobisium ( Belize, Cuba, Dominican Republic, Guatemala, Mexico; epigean and cave-dwelling).

- Tarsi without spines .................................................................................................................................................... 11

11 Movable finger of pedipalpal chela shorter than hand; tarsal arolia longer than claws ..... Apohya ( Mexico; epigean).

- Movable finger of pedipalpal chela distinctly longer than hand; arolia not longer than claws...................................... ................................................ Leucohya ( Guyana, Mexico, Texas ( U.S.A.), Venezuela; epigean and cave-dwelling).