Tychius breviusculus Desbrochers des Loges, 1873
the larva feeds within the pod on the developing seed; this may cause some galling of the pods. Pupation in the soil.
Melilotus albus, ? altissimus, officinalis.
larvae and pupae
detailed description in Skuhrovec ao.
The larvae of this species can be found simultaneously, even on the same plant specimen, with those of T. meliloti. The living larvae of brevisusculus are white and have a pale head, while the ones of meliloti have the anterior part of their lemon yellow and the head is dark brown.
Tychius micaceus Rey, 1895.
Behne (1987a), Dieckmann (1988a), Lorenz (1997a), Rheinheimer & Hassler (2010a), Skuhrovec, Gosik & Caldara (2014a), Yunakov, Nazarenko, Filimonov & Volovnik (2018a).