Table 1 in Description of two new epigean species of the genus Hyalella S. I. Smith, 1874 (Crustacea: Amphipoda: Hyalellidae) from Jalisco, Mexico

Table 1. Comparison between the closest Mexican species of the genus Hyalella
Hyalella marysolae sp. nov.Hyalella morronei sp. nov.Hyalella azteca (de Saussure, 1858)Hyalella maya Marrón-Becerra, Hermoso-Salazar and Solís-Weiss, 2018Hyalella cenotensis Marrón-Becerra, Hermoso-Salazar and Solís-Weiss, 2014 (female)Hyalella tepehuana Marrón-Becerra, Hermoso-Salazar and Rivas, 2020LocalityTajo (river)Teuchitán (river)VeracruzAktun-Ha (cenote)Aktun-Ha (cenote)Durango (river)Total body length (mm)4.857.83.85−4.15.35.4−5.7Dorsal projections or carinae on pleon 1−2Present (short)AbsentPresentPresent (short)Present (short)PresentHead length vs second pereoniteReaching halfReaching two thirdsReaching halfReaching halfEqual in lengthReaching halfEye formSubquadrate/roundedSubquadrateRoundedSubtriangularAbsentSubtriangularAntenna 1 length vs. relative body lengthReaching the middle of fifth pereoniteReaching the fifth pereoniteReaching the middle of third pereoniteReaching one-third of third pereoniteReaching the middle of third pereoniteOverreaching the middle of third pereoniteAntenna 1 peduncle vs. body lengthReaching one third of first pereoniteReaching half of first pereoniteReaching half of first pereoniteReaching beyond half of first pereoniteReaching half of first pereoniteOverreaching the middle of first pereoniteAntenna 1 proportion, articlesof peduncle1.6:1.3:11.5:1.2:11.6:1.25:11.4:1.3:11.7:1.3:11.5:1.4:1Antenna 1 flagellum, numberof articles12107−9979−11Antenna 1 aesthetasc in flagellum on articles4−11 (1 pair)4−5 (1), 6−7 (1 pair), 8−9 (1)3−6 (1 pair), 7−8 (1)−−4−1 (1 pair), 8−11 (1)Antenna 2 lengthAlmost half of total body lengthAlmost half of total body lengthLess than one third total body lengthAlmost half of total body lengthAlmost one third of total body lengthSlightly longer than one third total body lengthAntenna 2 length vs. total body lengthAlmost reaching the seventh pereoniteAlmost reaching the seventh pereoniteReaching the fourth pereoniteAlmost reaching middle of sixth pereoniteReaching one-third of fourth pereoniteReaching middle of fifth pereoniteAntenna 2 flagellum number of articles15148−1010811−12Antenna 2, flagellum relative length vs. peduncle1.5×1.8×1.1×1.2×1.35×1.25×Palp of maxilla 1With setulesWithout setulesWith setulesWith setulesWith setulesWith setules