Table 1.
Heterospinus mccordi n. gen. n. sp. ex Procambarus clarkii. Proboscis hook blade and root lengths in µm, listed as range (mean); measurements made on four mounted male and three female cystacanths. n = number of hooks measured
| Hook | Male | Female | ||||||
|---|---|---|---|---|---|---|---|---|
| Blade Length | n | Root Length | n | Blade Length | n | Rooth Length | n | |
| I | 23–44 (32) | 7 | 21–48 (37) | 5 | 43–58 (48) | 3 | 40–48 (44) | 2 |
| II | 46–72 (57) | 9 | 30–67 (54) | 6 | 41–86 (65) | 10 | 49–66 (59) | 6 |
| III | 60–76 (70) | 10 | 59–69 (65) | 6 | 66–92 (82) | 6 | 59–75 (67) | 2 |
| IV | 59–84 (66) | 10 | 62–68 (64) | 6 | 67–89 (82) | 5 | 65–84 (71) | 3 |
| V | 60–71 (65) | 11 | 62–96 (85) | 7 | 73–91 (78) | 5 | 71–95 (82) | 3 |
| VI | 39–64 (54) | 10 | 72–106 (88) | 9 | 61–91 (78) | 7 | 87–125 (106) | 5 |
| VII | 19–33 (26) | 12 | – | – | 28–43 (34) | 6 | – | – |
| VIII | 35–89 (68) | 5 | – | – | 74–84 (79) | 2 | – | – |
| IX | 62–96 (81) | 5 | – | – | 70–95 (83) | 3 | – | – |
| X | 55–84 (73) | 5 | – | – | 54–85 (70) | 2 | – | – |
| XI | 45–71 (59) | 5 | – | – | 62–72 (67) | 2 | – | – |
| XII | 47–73 (58) | 5 | – | – | 63–77 (70) | 2 | – | – |
| XIII | 52–69 (60) | 5 | – | – | 63–63 (63) | 2 | – | – |
| XIV | 53–69 (60) | 5 | – | – | 60–68 (64) | 2 | – | – |
| XV | 46–72 (61) | 5 | – | – | 56–57 (56) | 2 | – | – |
| XVI | 49–66 (58) | 4 | – | – | – | – | – | – |