What large pollen load is *Hylaeus assimilans* specifically adapted to handle, potentially influencing its larger size?
Answer
Pollen loads of *Sida fallax* (Ilima)
The species *Hylaeus assimilans*, which is listed as Critically Imperiled, exhibits a morphological adaptation potentially linked to its ecological requirements within the Hawaiian ecosystem. This species is noted for being comparatively large when measured against other coastal Hawaiian *Hylaeus*. This increased size is hypothesized to be an adaptation allowing it to effectively manage and handle the large pollen loads associated with the native plant *Sida fallax*, commonly known as Ilima. This specialized relationship contrasts with the generalized foraging habits of some relatives and underscores the intricate co-evolutionary links established within the island's native flora and fauna.
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