BioGraphix illustrated a figure about diapause and photoperiodic clock of insects. The figure has been published in the review by Dr. David Dolezel in the journal “Current Opinion in Insect Science”:
http://www.sciencedirect.com/science/article/pii/S2214574514001576
![](https://www.biographix.cz/wp-content/uploads/2020/12/Cykly_Diapauza_03_72-1024x723-1024x723.jpg)