That's interesting, and is borne out by some studies eg (forgive the long link, researchgate seems to love long links): https://www.researchgate.net/profile/Sachini-Fernando/publication/334129199_Blood_Feeding_Preference_of_Female_Aedes_aegypti_Mosquitoes_for_Human_Blood_Group_Types_and_Its_Impact_on_Their_Fecundity_Implications_for_Vector_Control/links/5d1d70dba6fdcc2462bdc7cd/Blood-Feeding-Preference-of-Female-Aedes-aegypti-Mosquitoes-for-Human-Blood-Group-Types-and-Its-Impact-on-Their-Fecundity-Implications-for-Vector-Control.pdf