W. nigrosaccula (M)

Sex : male
Frontal length of the head (without clypeus) : 162 to 188 ; 189 to 215
Frontal length of the head (with clypeus) : less than 283 ; 283 to 303 ; 304 to 324 ; 325 to 346 ; 347 to 367 ; 368 to 388 ; 389 to 410 ; 411 to 431 ; 432 to 452 ; 453 to 473 ; 474 to 494 ; 495 to 516 ; 517 to 537 ; more than 537
Length of clypeus : 80 to 94 ; 95 to 109
Minimal distance between the eyes : 117 to 128 ; 129 to 140 ; 141 to 152
Palpal formula : 1<2<3<4<5 ; 1<3<2<4<5
Length of P1 : 20 to 26 ; 27 to 32
Length of P1 + P2 : less than 107 ; 107 to 118 ; 119 to 131 ; 132 to 143 ; 144 to 156 ; 157 to 168 ; 169 to 180 ; 181 to 193 ; 194 to 205 ; 206 to 218 ; 219 to 230 ; 231 to 243 ; 244 to 255 ; more than 255
Length of P2 : 71 to 89 ; 90 to 108
Length of P3 : 63 to 86 ; 87 to 109
Length of P4 : 96 to 117
Length of P5 : 214 to 256 ; 257 to 300
Spines of the pharynx : present with no uniform size and distribution
Striae of the pharynx : present
Number of hind teeth of cibarium : two ; three ; four ; five ; six ; seven ; eight ; nine or ten ; eleven or twelve ; thirteen or fourteen ; fifteen or sixteen ; seventeen to twenty ; twenty one to twenty five ; more than twenty five
Length of labrum : 90 to 128 ; 129 to 167
Labial fork : absent ; present
External teeth of the lacinia : absence of external teeth ; presence of a row of longitudinal external teeth ; presence of a row of transversal external teeth ; presence of two rows of longitudinal external teeth
Length of F1 : 110 to 154
Length of F2 : 88 to 105
Length of F3 : 86 to 101 ; 102 to 117
Ratio F14/F13 : >1 ; <= 1
Proximal prolongation of ascoids : absent
Tip of the proximal prolongation of ascoids : slender ; rounded
Distal prolongation of ascoids : reaching or extending beyong the end of F2
Sensillae of F3 : absent ; present
Mesonotum : partially dark
Maximal width of the wing : 432 to 542
Length of R5 : 626 to 841
Length of ALPHA : 290 to 369 ; 370 to 449
Length of BETA : 133 to 166 ; 167 to 199
Length of GAMMA : 79 to 127
Length of DELTA : 178 to 232
Spines of hind femur : absent ; present
Colour of the coxa : none dark ; at least one dark
Length of the anterior femur : less than 448 ; 448 to 522
Length of the anterior tibia : 450 to 591 ; 592 to 732
Length of the anterior basitarsus : 237 to 341 ; 342 to 446
Length of the middle femur : less than 470 ; 470 to 560
Length of the middle tibia : 520 to 659 ; 660 to 799
Length of the middle basitarsus : 282 to 427
Length of the posterior femur : 395 to 470 ; 471 to 546
Length of the posterior tibia : 407 to 587 ; 588 to 768
Length of the posterior basitarsus : 294 to 410
Scales on the abdominal segments : absent ; present
Total length of genital pump : 104 to 121 ; 122 to 138
Length of the piston : 80 to 91 ; 92 to 103
Length of genital filaments : 100 to 208 ; 209 to 317
General shape of the course of the genital filaments : straight or curved with no loop
Course of the terminal portion of genital filaments : straight or curved
Shape of the tips of genital filaments : with modification (dilated - clubbed or spoon-shaped)
Subdivisions in the appearance of the tips of genital filaments : clubbed
Striation of genital filaments : absent
Length of lateral lobe : less than 130 ; 130 to 172
Width of lateral lobe : 26 to 31
Tip of lateral lobe : without differenciated stout seta
Number of differenciated setae of the lateral lobe : not applicable
Number of parts of paramere : one (simple)
Differentiated setae of paramere : absent
Number of differentiated setae of paramere : not applicable
Distribution of undifferentiated setae (dorsal part of paramere) : reaching the middle of paramere
Aedeagus : simple with round or truncated extremity
Length of coxite : less than 93
Width of coxite : less than 40 ; 40 to 53
Number of longitudinal rows of setae on coxite : none
Number of setal tufts on coxite : none
Disposition of the setal tuft on coxite : not applicable
Number of setae of the tuft on the coxite : not applicable
Implantation of the setal tuft on the coxite : not applicable
Size of the insertion zone of the setal tuft on the coxite : not applicable
Way the setae are grouped on the tuft on the coxite : not applicable
Differentiation of the tuft's seate on the coxite : not applicable
Length of style : 80 to 106
Shape of style : single
Subterminal setae on style : absent
Number of spines on style : three
Distribution of insertion of two spines on style : not applicable
Distribution of insertion of three spines on style : 2-1
Distribution of insertion of four spines on style : not applicable
Distribution of insertion of five spines on style : not applicable
Distribution of insertion of six spines on style : not applicable
Length of cercae : not applicable
Cercae form : not applicable
Organization of paired parts of female genitalia : not applicable
Length of the paired parts of the female genitalia : not applicable
Sclerotized rods associated with spermathecae : not applicable
Appearance of spermathecae : not applicable
Number of annulations on spermathecae : not applicable
Aspect of annulations of the spermathecae : not applicable
Dimension of the distal annulation of the spermatheca : not applicable
Length of spermathecae : not applicable
Maximal width of spermathecae : not applicable
Axis of the spermatheca process : not applicable
Aspect of individual ducts : not applicable
Length of individual ducts : not applicable
Width of individual ducts : not applicable
Common duct : not applicable
Aspect of common duct : not applicable
Length of common duct : not applicable
Width of common duct : not applicable