Character;"Dichotrachelus grignensis";"Dichotrachelus orobicus"
"Rostrum: ratio width at base/width at antennal insertion";"1.37–1.83 mean 1.61; median 1:59";"1.07–1.75 mean 1.43; median 1.46"
"Rostrum: ratio length/width at base";"1.28–1.61 mean 1.37; median 1.34";"1.31–1.93 mean 1.58; median 1.53"
"Pronotum, sides:";"usually linearly weakly broadened from base to apical quarter, not strongly narrowed before apex";"usually slightly curved outwards, with maximum width at midlength, strongly narrowed before apex"
"Protarsus, tarsomere 3: ratio length/width";"0.67–1.06 mean 0.89; median 0.91";"0.91–1.10 mean 1.04; median 1.00"
"Metatarsus, tarsomere 3: ratio length/width";"0.72–1.16 mean 0.99; median 1.00";"1.01–1.56 mean 1.20; median 1.17"
"Penis, apical part: ratio length from base of ostium to apex/maximum width of ostium";"2.15–2.32 (n=3)";"2.45–3.31 (n=5) mean 2.84; median 2.65"
"Penis, apical lamella: shape";"sides feebly convergent, apex slightly elongated";"sides subparallel, apex broadly rounded"
"Male genital sclerite, valve:";"anterior valve broadly oval, scarcely longer than wide; outer margin of posterior valve scarcely curved, oval";"anterior valve oblong, narrow, much longer than wide; outer margin of posterior valve strongly curved, semicircular"