Abstract
The larva of Progomphus lambertoi is described and illustrated; it belongs to the obscurus'-group of Progomphus. It appears closely related to P. belyshevi Belle and P. borealis McLachlan based on stature and size of abdominal dorsal protuberances butis easily separated from these species by abdominal color pattern. At present, larvae of nine of the 12 Progomphus species inhabiting Mexico have been described: P. borealis McLachlan (Kennedy 1917), P. clendoni Calvert, P. longistigma Ris, and P. zonatus Hagen [supposition] (Need-ham 1941), P. pygmaeus Selys (Limongi 1983), P. anomalus Belle, P. belyshevi Belle, P. mexicanus Belle [supposition], and P. risi Williamson (Belle 1991). Belle (1991) provided a key to the ultimate stadium larvae of Progomphus for Central America. Here we describe the larva of P. lambertoi Novelo-Gutierrez based on reared material.
NSTL