Lmst

#Dimorphic

#Springtail #Orchesella #cincta is up to 4 mm long, native to #Europe/Canada and is #herbivorous/ fungi-bacteriovorous, #living e.g.in dead plant tissue. Specimen below: on #deadwood with island-like #fungalgrowth, mites, e.g. #Linopodes, and i.a. #isopods.
G. Ernsting & J. A. Isaaks (2002) found the #dimorphic #gendersize with smaller males being due to growth inhibition by #spermatophore development.

© #StefanFWirth, #Berlin 2025

Ref
https://doi.org/10.1046/j.1365-2311.2002.00395.x

#Photos
© S.F. Wirth 2025

Springtail Orchesella cincta (Collembola) is common in Europe and one of our largest species. It can have an alterations between feeding phases and reproduction phases depending on ecological conditions and have a male size dimorphism. My specimen was found on the underside of a large deadwood branch on a semi dry meadow in urban park Rehberge in Berlin. That wood contained a complexity of organisms, such as fungi, mites or isopods. I also the morphologically striking mite Linopodes there. See my sci commun. article on X https://x.com/wirthstef/status/1967617570854388140?t=BwrFmpoIG1vnbp4iDLLFLA&s=19
© Stefan F. Wirth Berlin September 2025

Springtail Orchesella cincta (Collembola) is common in Europe and one of our largest species. It can have an alterations between feeding phases and reproduction phases depending on ecological conditions and have a male size dimorphism. My specimen was found on the underside of a large deadwood branch on a semi dry meadow in urban park Rehberge in Berlin. That wood contained a complexity of organisms, such as fungi, mites or isopods. I also the morphologically striking mite Linopodes there. See my sci commun. article on X https://x.com/wirthstef/status/1967617570854388140?t=BwrFmpoIG1vnbp4iDLLFLA&s=19
© Stefan F. Wirth Berlin September 2025

Springtail Orchesella cincta (Collembola) is common in Europe and one of our largest species. It can have an alterations between feeding phases and reproduction phases depending on ecological conditions and have a male size dimorphism. My specimen was found on the underside of a large deadwood branch on a semi dry meadow in urban park Rehberge in Berlin. That wood contained a complexity of organisms, such as fungi, mites or isopods. I also the morphologically striking mite Linopodes there. See my sci commun. article on X https://x.com/wirthstef/status/1967617570854388140?t=BwrFmpoIG1vnbp4iDLLFLA&s=19
© Stefan F. Wirth Berlin September 2025

Eviatar Yemini will talk Todayw about "A Tale of Two Sexes: The #NeuralDynamics of #Dimorphic #Behavior"

⏰ September 18, 2023, 11 am CET
📍 #iBehave seminar series, #MPI Lecture Hall (at #Caesar), Ludwig-Erhard-Allee 2, 53175 Bonn / online
🌍 https://ibehave.nrw/news-and-events/ibehave-seminar-series-talk-by-prof-dr-eviatar-yemini/

#neuroscience #CElegans #behaviourscience

The function and #evolution of a #genetic switch controlling sexually #dimorphic #eye #differentiation in #honeybees.

https://phys.org/news/2023-02-function-evolution-genetic-sexually-dimorphic.html

Sparks, R., Lau, W.W., Liu, C. et al. #Influenza #vaccination reveals sex #dimorphic #imprints of prior mild #COVID19. Nature (2023). https://doi.org/10.1038/s41586-022-05670-5

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