In the same area , the abundance of the Karner blue butterfly spring brood was positively related to trails .
The percent of lupine stems with larval feeding damage was significantly ( p < 0.05 ) greater in areas disturbed by military vehicle traffic .
In the same area , the abundance of the Karner blue butterfly spring brood was positively related to trails , and the percent of lupine stems with larval feeding damage was significantly ( p < 0.05 ) greater in areas disturbed by military vehicle traffic .