Tagged with Male courtship

An oral pheromone makes male wasps unattractive to females

An oral pheromone makes male wasps unattractive to females

Communication is essential to any successful relationship, and insect relationships are no different. In insect (as in human) relationships, much of this communication is non-verbal.  Chemical cues in the form of pheromones help females of many insect species decide when to mate, who to make with and, when the deed is done, other chemicals let them … Continue reading

My, what a big claw you have

My, what a big claw you have

Male fiddler crabs wave their giant claws to get the attention of females. Females prefer males that wave a lot, in line with a common theme in female choice: making the male work for it. Waving that big thing around is more than just an advertisement. The thing is heavy to lift, so the male … Continue reading

Around the interwebs: Weekly link roundup!

Around the interwebs: Weekly link roundup!

Another week, another batch of links and sciency tidbits! Tomorrow I’m leaving for vacation, so I might not be able to update much (and I’ve been pretty busy this week), so there is plenty to keep you busy here: Making sperm in the lab, little squids that make big sperm, killing sperm to stop malaria, the costs … Continue reading