344 RHYNCHOPHORA. 
5. Neanthribus plagicollis, sp.n. (Tab. XII. fig. 22.) 
3 2. Pubescent greyish-white beneath, clay-colour above, variegated with greyish-white. Rostrum and head 
clay-colour, with some white speckles. Pronotum a little more distinctly sinuate laterally before the 
base than usual, with three luteous tufts and a very small additional one on each side, hinder side of 
tufts greyish-white like the area from the tufts to the base; apical half and sides speckled with white. 
Elytra with ochraceous stripes on alternate interspaces raised in small tufts, tipped with white, three 
tufts in third interspace and a subapical one in fifth interspace, large, several small but distinct tufts in 
fifth and seventh interspaces between base and middle; apical area uneven, cream-coloured or luteous- 
white, excised on suture, the latter indistinctly tessellated with black from base to beyond middle, the black 
dots more or less merged together between middle and apical declivity ; lateral margin with long hairs. 
Length 5-6 millim. 
Hab. Panama, Caldera, San Lorenzo [type] (Champion). 
One pair. 
6. Neanthribus stephanus, sp. n. (Tab. XII. fig. 23.) 
3. In general colour like the preceding. Frons with two white lines extending from the mesial groove 
situated at the base of the rostrum backwards, curved, enclosing an ovate space, which is less densely 
pubescent than the rest of the head. Pronotum luteous in anterior half, greyish-white in posterior half; 
three luteous tufts of equal size, mesial one a little before middle. Elytra greyish-white, alternate inter- 
spaces more or less luteous; third interspace with three small tufts in the usual position, first and second 
luteous, third black in front, luteous behind, fifth interspace with a luteous tubercie before apex; apical 
area greyish-white, without black spots ; side-margin with some long hairs. 
Length 43 millim. 
Hab. Nicaragua, Chontales (Janson). 
One male. 
7. Neanthribus apicalis, sp.n. (Tab. XII. figg. 24, 24 a.) 
2. Alittle more elongate than IV. stephanus. Rostrum greyish-white ; frons with a white ring nearly as in 
N. stephanus. Pronotum luteous, faintly grey in front, with three small tufts which are feebly centred 
with black; a very slightly marked brown semicircle connects the lateral tubercles, the brown curved 
line bordered by raised pubescence which is partly white in front ; outside this line, and parallel with 
it, the trace of a second semicircle. Elytra luteous, a small sutural area behind the base and the whole 
declivous apex from the third tuft of the third interspace backwards greyish-white, the apical area sharply 
limited ; pubescence nearly even ; third interspace with three small luteous tufts, the third white behind, 
fifth interspace with two very small tufts or pustules in the usual places, the second white ; no long hairs 
at lateral edge ; no black spots at apex. Legs rufous. 
Length 43 millim. 
Hab. Panama, Volcan de Chiriqui (Champion). 
Two females. 
8. Neanthribus grammicus, sp. n. (Tab. XII. fig. 25.) 
@. Pubescence clayish-cinnamon, variegated with brown and greyish-white. Basal angle of pronotum 
rounded off; three tufts on disc, mesial one pale luteous, the others rather larger and black, with the 
external hairs cinnamon; mesial tuft situated in a luteous-cinnamon patch, which is separated by 
a transverse black line from a large luteous-cinnamon patch which extends to the base, slightly 
narrowing basally; behind the lateral tufts there is a black patch, somewhat speckled with white ; 
a black semicircle connects the lateral tufts in front, the semicircle being bordered externally by a 
