A major symbol used in The Metamorphosis, is "vermin" or the dung beetle. The transformation of Gregor into the dung beetle is chosen opposed to something else due to the fact it is a repulsive, unhygienic creature. Humans have a natural aversion to organisms such as these thus portraying his enhanced isolation from his family. This also relates to the overall isolation of the human condition. Lansburg states "When in society any group of men characterized by anomalous taste or social or racial heredity is de-nounced as "vermin" there will always be one group that will from then on see nothing but the other others' rottenness,, and another fraction within the scorned group that will think and act as if they had truly been transformed into vermin," this quote relates to how Gregor felt. In the beginning of the novella, the reader is informed that Gregor is undertaking a great psychological stress, he has devoted his time to supporting his family with his demanding job as a traveling salesmen. His job of deep isolation and no human relationships results in Gregor actually becoming or perhaps believing he is a "vermin," just as Lansburg described in the quote, when one is treated like "vermin" they will begin to act like it.
Another symbol used to depict isolation and a need for a human relationship is the picture of the women in fur, "which Gregor cut out of a glossy magazine and