This Assassin Bug or Threadlegged bugs are members of the subfamily (Emesinae). The western bloodsucking cone nose as Triatoma protracta or Zelus sp. will feed on caterpillars, but these look like Love Bugs / Oncopeltus fasciatus (Lygaeidae), which will not.

These love bugs,
Oncopeltus fasciatus
(Lygaeidae) are inoffensive.

This bloodsucking cone nose Assasins Bugs as Triatoma protracta or Zelus sp. will, on the other hand, feed on caterpillars.