Are you sure you send an LTC to your electrum wallet i think you will never seen any transaction if you send LTC to your electrum wallet because Electrum wallet is for bitcoin.. and i think you are using a fake electrum wallet which is it can receive LTC if ever..
Or you are talking about BTC?
Yes there is LTC Electrum
https://electrum-ltc.org/In transaction history I see that I sweeped in all of the account to my main Electrum address. But I dont remember how.