Two small Beetles for id

[Lesinlondon]

Appreciate any id on these two beetles. Both found a Roding Valley, Essex. Also, any idea what 2. is doing? Looks like it's laying a large egg sac? Thanks, Les.

1.




2.

[aeshna5]

1/2 Think this may be an Altica sp, maybe A.cf lythri.
3/4 Gastrophysa viridula

[Paul mabbott]

Originally Posted by Lesinlondon

Appreciate any id on these two beetles. Both found a Roding Valley, Essex. Also, any idea what 2. is doing? Looks like it's laying a large egg sac? Thanks, Les.

That's the female's abdomen - distended with eggs.

[Lesinlondon]

aeshna5, thanks for the leads with these, which I'll follow up on.

Paul, thanks, It's enormous!