| 单词 | Psithyrus |
| 例句 | Psithyrus rupestris F.: female; the cuckoo of Bombus lapidarius, which it closely resembles except for the nearly black colour of the wings. Wild Bees, Wasps and Ants and Other Stinging Insects Instance the Psithyrus, who lives at the expense of the Bumble-bee. The Mason-Bees So, for instance, the Psithyrus is extremely like the Bumble-bee, whose parasite and descendant she is. The Mason-Bees |
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