In the middle of this web page, click on sightings. You can also report your sightings.http://www.texasento.net/dplex.htm
Texas Monarch Watchhttp://www.monarchwatch.org/dplex/index.htm
Dplex-L is the name of our electronic mailing list and discussion group on the Internet. If you have an internet Email account, you can join in!
(This gets loads of mail this time of year. But, lots of people from TX sending in migration data.)http://vcs.homestead.com/
I think this is listed on the Texas Monarch Watch. Good pictures.