Contulma bacula Holzenthal & Flint 1995

Contulma bacula

This species is similar to C. spinosa, but differs from it in the shape of the dorsolateral processes of segment IX, which are much straighter and narrower in the new species.

MALE.—Length 6 mm. Color brown in alcohol. Foretibia with second spur minute, about as long as wide. Segment IX, short dorsally; posterior border in lateral view extended anterodorsally; posteriorly with heavily sclerotized, rod-like dorsolateral process, its apex only very slightly directed ventrad, bearing few long setae on ventral margin; posterolateral margin of IX a large, roughly triangular, very heavily setose lobe, bearing setae on mesal surface; sternum IX with elongate, posteromesal, sclerotized projection, its apex entire. Segment X membranous, except for very lightly sclerotized lateral region; slightly displaced dorsad by phallus. Inferior appendages long, narrow, pointed, crescentic, bearing short apical setae; fused basally and apparently fused to base of IXth sternal projection, together forming highly complex structure as in Figure 32. Processes of subphallic membranes present. Phallus complex; phallobase elongate, sclerotized; pair of highly convoluted, membranous, dorsolateral lobes present medially, each ending in small, sclerotized, scale-like process; apical half of phallus trough-like, with highly convoluted internal membranes; U-shaped sclerite (possibly phallotremal sclerite) present within these membranes.

MATERIAL EXAMINED.—Holotype (male): ECUADOR [NAPO], 1 mi [1.6 km] E of Papallacta, 30 Jan 1958, R.W. Hodges (NMNH).

ETYMOLOGY.—From the Latin word for rod, in reference to the dorsolateral processes of segment IX.

MAP 1.—Known adult distribution of Contulma adamsae, C. bacula, C. caldensis, and C. costaricensis.