March fly,SEM

Numéro d’image : 11694214
March fly,SEM
March fly. Coloured scanning electron micrograph (SEM) of a female march fly (family Bibionidae). March Flies are sexually dimorphic,with males having bigger heads and huge eyes and females having much smaller heads and eyes. Adults emerge synchronously in huge numbers and often form dense mating aggregations. Males form loose "swarms" and copulate immediately with females as they emerge from the soil. After mating,female bibionines dig a small chamber in the soil with their fossorial (modified for digging) fore legs,lay eggs,and die within the chamber. Magnification: x 15 when printed at 10 centimetres across
Licence : Droits gérés
Crédit: Science Photo Library / Gschmeissner, Steve
Taille de l’image : 4550 px × 3926 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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