All of of these Metalmarks Calephelis sp. are either definitely or very probably (per N. Grishin) Fatal Metalmarks C. nemesis:-
1)
Atascosa County, Aug 15 2004:

2) Atascosa County, Aug 15 2004:

3) Santa Ana NWR, Hidalgo on March 09/10 2004:


4) Santa Ana NWR, Hidalgo on March 09/10 2004:


6) Sarita, Kenedy county on March 09/10 2004:
