Arrenoseius crassipes ( Denmark )

Kreiter, S., Mailloux, J., Tixier, M. - S., Le Bellec, F., Douin, M., Guichou, S. & Etienne, J., 2013, New Phytoseiid Mites Of The French West Indies, With Description Of A New Species, And New Records (Acari: Mesostigmata), Acarologia 53 (3), pp. 285-303 : 292

Arrenoseius crassipes ( Denmark)

Paraamblyseius crassipes Denmark, 1988: 37 .

The biology of this species found only once in Mexico on Eichomia crassipes by Denmark (1988) is unknown.

Previous Records — Mexico ( Denmark, 1988; Moraes et al., 2004b).

Specimens examined — Guadeloupe, Basse- Terre , Vernou, Route du Col des Mamelles, 16°11’N, 61°39’W, alt. 184 m, 2 ♀ and 1 ♂ on Ricinus communis, Kreiter coll., 26 December 2008 .

Remarks — this is the first record of this species in the West Indies. The measurements of the specimens collected fit well the measurements given by by Denmark (1988). Macrosetae are present on all legs but were not mentioned and measured in Denmark (1988).

The average measurements of the two adult females presently found are as follow: dorsal shield sclerotized and reticulated, dorsal shield length 353- 422, width 300 – 325, 3 solenostomes (gd 1, 8 and 9), j1 20, j3 25, j4 4, j5 5, j6 5, J5 9 – 12, z2 8 – 10, z4 10 – 13, z5 5, Z1 8, Z4 85 – 100, Z5 95 – 100, s4 87, S2 12, S4 10, S5 10, r3 10, R1 12, all setae smooth, st1-st1 53 – 55, st2-st2 64 – 75, st1-st3 40 – 43, posterior margin of the sternal shield concave, metapodal 1 length 28, width 10, metapodal 2 length 8, width 5, ventrianal shield 150 – 153 long, 210 – 212 wide at level of anterior corners and 150 wide at level of anus, 2 poroids around the ventrianal shield, JV5 40, spermatheca 23 – 25 long and 5 – 7 width, StIV 40, macrosetae whip-like, fixed digit of chelicerae 38 – 40, mobile digit of chelicerae 38 – 40, 11 – 12 denticles on fixed digit and 2 on mobile digit.