Spineless Sex

Not to be outdone by vertebrates, invertebrates employ a suite of interesting structures and behaviors to accomplish procreation.

By | July 1, 2014

The tip of a bean weevil (<em>Callosobruchus maculatus</em>) penis is covered in hard spines that unfurl in the female genital tract.

The tip of a bean weevil (Callosobruchus maculatus) penis is covered in hard spines that unfurl in the female genital tract.

© ANDREW SYRED, SHEFFIELD UNIVERSITY/SCIENCE SOURCE

Spineless Sex Image Gallery

.

Add a Comment

Avatar of: You

You

Processing...
Processing...

Sign In with your LabX Media Group Passport to leave a comment

Not a member? Register Now!

LabX Media Group Passport Logo

Popular Now

  1. Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
  2. Two Dozen House Republicans Do an About-Face on Tuition Tax
  3. Can Young Stem Cells Make Older People Stronger?
  4. Putative Gay Genes Identified, Questioned
    The Nutshell Putative Gay Genes Identified, Questioned

    A genomic interrogation of homosexuality turns up speculative links between genetic elements and sexual orientation, but researchers say the study is too small to be significant. 

FreeShip