![Blue Mud Dauber - Chalybion californicum](https://objects.liquidweb.services/images/202008/katja_schulz_via_inaturalist_inat_1598413270-5f4633bc8ef7f.jpg)
Maryland Biodiversity Project - Blue Mud Wasp (Chalybion californicum)
![Blue Mud Dauber - Chalybion californicum](https://bugguide.net/images/cache/4ZR/LEZ/4ZRLEZLL1ZMHHRGHOHNHLR8HBHXHTHIHYH2HBZ8LRRGHDHIH1HSL1H5H6ZXH3HEHZREHVZKLOHWHZR4LLR2HHR5L3HGL.jpg)
Blue wasp - Chalybion californicum
![Blue Mud Dauber - Chalybion californicum](https://bugguide.net/images/cache/EHJ/HUH/EHJHUH3H4HUZKL4ZRLPZRLGZRLVH0LTH0L8ZMLVZ8LHREHRR8LYH8LWZ8LHR6HZRGLYH7LHR8L9ZEH1Z9HHR5LEZ5L.jpg)
Blue Mud Wasp - Chalybion californicum
![Blue Mud Dauber - Chalybion californicum](https://objects.liquidweb.services/images/201609/david_illig_18768309452_0de1c47060_z.jpg)
Maryland Biodiversity Project - Blue Mud Wasp (Chalybion californicum)
![Blue Mud Dauber - Chalybion californicum](https://inaturalist-open-data.s3.amazonaws.com/photos/24196220/large.jpg)
Nearctic Blue Mud-dauber Wasp (Insects of Overton Park's Old Forest, Memphis, TN) · iNaturalist
![Blue Mud Dauber - Chalybion californicum](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcg_quA9UZCAI7pl_BC8NRWD4k2Mv-0o_kchq88B1IVu2nbasb2Dk65Xc56ySNGKA5JbEF0eVBbftUOsTl1SfDGTUU1EJPu0X8uAuePIfuhZ45XAr91OhfbgjCZ7Kyerh2QZczkYc-oaLANSgGc3-k9s12y7BMOVY-Jf-5HFzlDBmHvcL0whAATQPK/w1200-h630-p-k-no-nu/ChalybionCalifornicumCO7a.jpg)
Bug Eric: Wasp Wednesday: Blue Mud Dauber, Chalybion californicum
![Blue Mud Dauber - Chalybion californicum](https://c8.alamy.com/comp/FCJ6TT/blue-mud-dauber-chalybion-californicum-feeding-on-indian-hemp-apocynum-FCJ6TT.jpg)
Blue Mud Dauber (Chalybion californicum) Feeding on Indian Hemp (Apocynum cannabinum) Flower Stock Photo - Alamy
![Blue Mud Dauber - Chalybion californicum](https://bugguide.net/images/raw/TRS/Q3R/TRSQ3RHQFRXQFRMQR0U0ORKQWR50JQX0DQRQ3RKQFRRQARRQNRG0BRM03Q90CRE0TQLQ3Q40YQ80UR.jpg)
Blue Mud Dauber - Chalybion californicum
![Blue Mud Dauber - Chalybion californicum](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhpjMfL7hL0d4CWW3T-4bznAjNm9bhsE076iXjxtUXNTUPYayJRYM_rEz9WgSRMfr-iqJ69xs7eCrql3n5Ncl-LZK1sRkvpKtY5y0p3lIb_kYz1hTUPfWVyO_XKwKTgwGuX8GYhtporI5Uk6dzEBBPElmXw_PlFmncQzIbzEEoPjpXfeHAfcHyI99yr/s1287/ChalybionCalifornicumCO14a.jpg)
Bug Eric: Wasp Wednesday: Blue Mud Dauber, Chalybion californicum