Megachile males chasing females.

Megachile willughbiella males are patrolling patches of flowersfor females. When a female has been found the male at first is hovering for a second and afterwards is pouncing upon the female.More information about Megachile


Astata_100710_1424_pole_smallBehaviour of sand wasps (Sphecidae).

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Calopteryx_splendens_male  Calopteryx 

Banded demoiselle (C. splendens) and Beautiful demoiselle (C. virgo) males are flying above slow running water. The males are colored blue. Males may defend a territory above the stream. Males will use their colored wings for signalling and  communication.

signalling with the wings


animation10medium_090831_1656_mnvrHovering Eristalis nemorum male hoverflies

Eristalis nemorum males are hovering above a female.

The male is an excellent follower.  More information


Bee fly Bombylius major

Females of the bee fly Bombylius major are shooting eggs into nest entrances of solitary bees or other holes. The fly is moviong to and fro before the hole

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Anthrax_egg_shot_anim_smallThe fly Anthrax anthrax (Bombyliidae)
 Anthrax females are shooting eggs in the nest entrance
of solitary bees nesting in wood.

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Thyridanthrax fenestratus (Bombyliidae)
is also shooting its eggs into holes. Probably the eggs are developing in the nests of Ammophilia. 

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Egmond_Villa_modesta_vr_ei_schot_150812_1345_AnimVilla modesta (Bombyliidae) 

Villa modesta is a bee fly inhabiting coastal sand dunes.

Read more: Villa modesta



Episyrphus balteatus disturbed  landing behaviour

Episyrphus balteatus hoverflies may sometimes follow an oscillating flower. This behaviour is excited by moving the flower when the hoverfly is in the process of landing. The hoverfly is following the flower with a delay of the order of 100 ms.

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Bont Zandoogje paar 300413 1359 animSpeckled wood butterfly (Pararge aegeria)

Read more: Pararge-aegeria


Tuin_StM_Volucella_bombylans_mnvr_090520_0945_PartVolucella bombylans (Syrphidae)

The male of this mating pair will fly away carrying the female

with its copulatory organ.

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