Lamponius portoricensisRhen is a folivorous neotropical walkingstick that is a common light-gap inhabitant of the tabonuco forest in Puerto Rico. Little is known concerning the spatial distribution of this phasmatid or the manner in which it selects habitats. Based on multiple regression analysis of a suite of taxonomic and structural characteristics of understory flora, we determined that the density of walkingsticks was associated with patches that exhibit high apparency values forPiper treleaseanumBritton&Wilson andSymplocos martinicensisJacq., and low apparency values forDryopteris deltoidea(Sw.) Kuntze. The total development of the understory regardless of taxonomic composition at 76 cm (2.5 ft) and 107 cm (3.5 ft) also contributes to high walkingstick density, based on correlative analyses. Moreover, nonparametric analysis suggests thatL. portoricensisdisproportionately occurs onP. treleaseanum(approximately twice as often as expected based on plant apparency). Despite these associations, only a third of the variation in walkingstick density is accounted for by this suite of floral characteristics. The low vagility ofL. portoricensismay result in its having incomplete information about the abundance and distribution of forage plants, whereas patch-dynamic processes involving changes in quality of forage can confound the significance of apparency alone in predicting density. The production of aromatic attractants byPipermay act as the proximate cue affecting patch selection.