FIGURE 23. Geographical distribution of Heilus species based on labels information. A. South America Brazilian biomes and Paraguayan and Argentine ecoregions. B. Heilus inaequalis; C. Heilus pupillatus; D. Heilus tuberculosus; E. Heilus rufescens; F. Heilus freyreissi; G. Heilus myops; H. Heilus faldermanni; I Heilus ochrifer; J. Heilus fasciculatus; K. Heilus iniquus; L. Heilus bistigma.