Despite being listed in api.ala.org.au, the genus:
prefix to the q
parameter doesn't seem to work in either old or new versions of the BIE.
{"searchResults":{"pageSize":10,"startIndex":0,"totalRecords":0,"sort":"score","dir":"desc","status":"OK","facetResults":[],"query":" (commonName:genus\\:macropus) OR text:genus\\:macropus OR (scientificNameText:genus\\:macropus) OR (name_complete:genus\\:macropus) OR concat_name:\"genusmacropus\" OR (stopped_common_name:genus\\:macropus) OR exact_text:\"genus\\:macropus\"^100000000000","results":[]}}
{"searchResults":{"totalRecords":0,"facetResults":[],"results":[],"queryTitle":"genus:Macropus"}}