41. While " Polistes humilis " is very common now, competition for food could reduce its population in the future. 42. Ovarian development has been correlated with dominance hierarchy in other polistine wasps, " Polistes gallicus and Polistes metricus ". 43. Ovarian development has been correlated with dominance hierarchy in other polistine wasps, " Polistes gallicus and Polistes metricus ". 44. In some situations, it has been observed that a nest is shared between two species of " Polistes ". 45. One case is the sharing of a nest by " Polistes metricus " and " Polistes fuscatus ." 46. One case is the sharing of a nest by " Polistes metricus " and " Polistes fuscatus ." 47. Strepsipteran insects in the genus " Xenos " parasitize " Polistes carnifex ", a species of social wasps. 48. Some wasps, such as " Polistes fuscatus ", commonly return to locations where they previously found prey to forage. 49. "Polistes humilis " also has developed two defenses against disease : genetic diversity and the production of cuticular antimicrobial compounds. 50. Polistes humilis " nests are often found in " modified habitats " where there is a mix of human structures and vegetation.