#eggSac

2026-02-28
A close-up photograph of a delicate spiderweb glistening with dew, suspended among dry, golden-brown grasses and green plant stems. At the centre of the web, a small, intricately wrapped bundle—likely an egg sac or cocoon—is prominently visible, encased in fine silk threads. The droplets on the web catch the light, creating a shimmering effect that highlights the intricate structure of the silk. The background is softly blurred, drawing focus to the web and its contents.
2025-11-07

New publication: Food availability influences adult body mass variability and reproductive traits in a #spider. #falsewidow #fecundityschedule #reproduction #eggsac
doi.org/10.1007/s00442-025-058

Figure 1 in Dong et al. (2025): "Fecundity schedules (mean number of spiderlings per female produced in each consecutive egg sac) of female Steatoda grossa spiders fed constantly with late instar cricket nymphs (red boxes) or intermittently with mid instar cricket nymphs (blue boxes). Boxes represent the interquartile range (IQR) of the data with the top and bottom edges of the box indicating the first and third quartiles. Black lines inside boxes represent the median. The whiskers extend from the box to the minimum and maximum values within a certain range, and data points beyond whiskers are considered outliers"
Kierenkierowca
2025-08-11

The mystery eggs have hatched! Look at the little i1 slings. So cute! I wonder which species they are!

Kierenkierowca
2025-07-27

🔎 MYSTERY EGGS 🕷️
¿Who’s inside this webbed capsule?

I found this abandoned egg sac, and I’m almost certain it belongs to a Salticid.

But Salticidae is a huge family... so WHO exactly is inside?

My guess, based on the shape, location, and local species, is Astia maculata.

But it could just as easily be Servaea, Clynotis, Apricia… or someone unexpected...

I’m really excited to find out 🐣👀

2025-01-17

New publication: Copulation interruption decreases female reproductive success in a false widow spider. #reproduction #copulationduration #eggsac #offspring #steatodagrossa #theridiidae
doi.org/10.1007/s00265-024-035

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