Abstract：
:Bees are predominantly diurnal; only a few groups fly at night. An evolutionary limitation that bees must overcome to inhabit dim environments is their eye type: bees possess apposition compound eyes, which are poorly suited to vision in dim light. Here, we theoretically examine how nocturnal bees Megalopta genalis fly at light levels usually reserved for insects bearing more sensitive superposition eyes. We find that neural summation should greatly increase M. genalis's visual reliability. Predicted spatial summation closely matches the morphology of laminal neurons believed to mediate such summation. Improved reliability costs acuity, but dark adapted bees already suffer optical blurring, and summation further degrades vision only slightly.
journal_name
Vision Resjournal_title
Vision researchauthors
Theobald JC,Greiner B,Wcislo WT,Warrant EJdoi
10.1016/j.visres.2006.01.002subject
Has Abstractpub_date
2006-07-01 00:00:00pages
2298-309issue
14eissn
0042-6989issn
1878-5646pii
S0042-6989(06)00007-1journal_volume
46pub_type
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