Pseudopaguristes McLaughlin 2002

Rahayu, Dwi Listyo, 2008, The genus Pseudopaguristes McLaughlin (Crustacea: Decapoda: Anomura: Diogenidae) from the southwestern Pacific, with the descriptions of two new species, Zootaxa 1840, pp. 54-66 : 64-66

Key to the Indo-West Pacific species of Pseudopaguristes McLaughlin 2002

1 Chelipeds equal or subequal........................................................................................................................2

- Chelipeds markedly unequal....................................................................................................................... 9

2 Ocular acicles simple .................................................................................................................................. 3

- Ocular acicles bi- or multifid.......................................................................................................................7

3 First male pleopod complete....................................................................................................................... 4

- First male pleopod reduced. [Left first gonopod reduced, left second reduced or absent (ocular peduncles longitudinally striped purple and white or purple and orange on dorsal surface, second and third pereopod white with brown longitudinal median stripe on lateral face)]...................................................................... .............. P. monoporus ( Morgan, 1987) ( Thailand, Philippines, Indonesia, New Caledonia and Australia)

4 Dactyl of cheliped with 1–3 rows of spines on mesial face.........................................................................5

- Dactyl of cheliped with covering of small spines on mesial face................................................................6

5 Dactyl of cheliped with 1 row of spines on mesial face, [ventral margin of fourth segment of antennal peduncles with prominent distal spine; telson with moderately large 4 or 5 spines on each posterior lobe] P. laurentae ( Morgan & Forest, 1991) ( Japan, Indonesia, Fiji, New Caledonia, Australia and Madagascar)

- Dactyl of cheliped with 3 rows of spines on mesial face [ocular peduncles long and slender with tapering corneas; male second pleopod broad] ............................................... P. araeos Rahayu, 2007 ( Madagascar)

6 Second and third pereopods long and slender, female with tergal thickening of left second to fourth pleonal somites, provided with row of long, moderately dense, plumose setae, brood pouch subovate, small, not covering eggs; first male pleopod with row of hooked spines on distal margin of inferior lamella ....... ................................. P. mclaughlinae n. sp. ( New Caledonia, Vanuatu, Chesterfield and Loyalty Islands)

- Second and third pereopods stout; female without tergal thickening of left second to fourth pleonal somites, brood pouch large, completely shielding eggs; first male pleopod without hooked spines on distal margin of inferior lamella ........................................ P. pachydactylus n. sp. ( Vanuatu, Chesterfield Island)

7 Ocular acicles with bifid spines, male first pleopod reduced, male second pleopod absent, female with single left gonopore; terminal margin of telson armed with prominent spines.................................................. ........................... P. hians ( Henderson, 1888) (Red Sea, Indian Ocean, Indonesia, Malaysia, Philippines).

- Ocular acicles with multifid spines, male first and second pleopods paired, female with paired or unpaired gonopore; terminal margin of telson armed with row of small spines.......................................................8

8 Dactyl of cheliped with covering of small spines on mesial face; terminal margin of telson armed with spiniform bristles or very slender spines, female with single left gonopore. ................................................ ............................................................................................... P. asper Rahayu, 2005 . (Bali Sea, Indonesia)

- Dactyl of cheliped with 1 row of tubercles on mesial face; terminal margin of telson armed with row of small spines, female unknown [ocular peduncles yellow with red band proximally, chelipeds and pereopods white with irregular red area on each segment] .................................................................................... ............................................................................... P. bicolor Asakura & Kosuge, 2004 . (Okinawa, Japan)

9 Dactyl of fourth pereopod with preungual process; female with unpaired gonopore...............................10

- Dactyl of fourth pereopod without preungual process; female unknown (antennal, antennular and ocular peduncles red, chelipeds and pereopods uniformly red) ............................................................................... ....................................................................... P. bollandi Asakura & McLaughlin, 2003 (Okinawa, Japan)

10 Ocular peduncles swollen basally; dorsal surface of chela with pointed granules [Ocular peduncles and cornea bright orange, chelipeds orange with red or dark purple spot on dorsal, lateral and mesial faces of each segment, pereopods bright orange with lateral red patch on meri and carpi] ....................................... .................................................................. P. kuekenthali De Man, 1902 (Maluku, Indonesia and Vanuatu)

- Ocular peduncles not swollen basally; dorsal surface of chela with scattered large tubercles or small spines.........................................................................................................................................................11

11 Chelipeds with covering of dense setae, dorsal surface of palm with scattered large tubercles, terminal margin of telson horizontal, armed with 6 and 3 spines on each left and right lobe respectively [Shield cream, ocular peduncles red, chelipeds and pereopods generally cream, meri red]...................................... ................................................................................................ P. shidarai Asakura, 2004 (Okinawa, Japan)

- Cheliped without covering of dense setae, dorsal surface of palm with scattered small spines, terminal margin of telson rounded, armed with row of numerous small spines on terminal margin of each lobe [shield yellowish white with cranberry-red anterior margin, ocular peduncles yellow orange with cranberry-red in proximally, chelipeds cranberry-red, pereopods light yellow with meri cranberry-red] .......... ......................................................................................................... P. janetkae McLaughlin, 2002 ( Guam)