Endeavouria septemlineata ( Hyman, 1939a )

Luna, Manuel De & Boll, Piter Kehoma, 2023, An annotated checklist of terrestrial flatworms (Platyhelminthes: Tricladida: Geoplanidae) from Mexico, with new records of invasive species from a citizen science platform and a new nomen dubium, Zootaxa 5297 (4), pp. 518-532 : 525

Endeavouria septemlineata ( Hyman, 1939a)

Figs. 13, 14 , 26 .

External diagnosis ( Hyman 1939a). Dorsum with multiple stripes, seven dark (including the median one) and six light. The dark parts of the dorsal surface are grayish or brownish black, while the light stripes are grayish brown. The ventral surface is pale with an inconspicuous mottling of darkish pigment. The eyes do not contour the anterior tip and continue in a single row laterally to the hind end.

The absence of a head plate differentiates it from both species of Bipalium . The large number of eyes differs much from Diporodemus yucatani , Rhynchodemus sylvaticus and both species of Dolichoplana . It differs from Caenoplana coerulea in that it lacks any blueish tinge dorsally and ventrally, and that the median stripe is dark. Finally, it differs from Parakontikia ventrolineata in the larger number of dark dorsal stripes (7 versus 3), and in the absence of paired ventral stripes.

iNaturalist records: MEXICO: CIUDAD DE MEXICO: One specimen observed 6 September 2020; 20.1928°N, - 100.7621°W; 1982m a.s.l. ; uploaded by arianavv (#58725191). One specimen observed 28 July 2020; 19.4064°N, - 98.9077°W; 2251m a.s.l. ; uploaded by adrianmanuel (#57145330). ESTADO DE MEXICO: Nine specimens observed 25 September 2015; 19.3163°N, - 98.8820°W; 2253m a.s.l. ; uploaded by aylin (#1999330). HIDALGO: One specimen observed 21 December 2021; 20.4066°N, - 99.3559°W; 1899m a.s.l. ; uploaded by eduardo818 (#103425735). JALISCO: One specimen observed 16 October 2019; 20.5487°N, - 104.0392°W; 1236m a.s.l. ; uploaded by christian210998 (#34503888). MORELOS: One specimen observed 5 February 2021; 18.8872°N, - 99.0452°W; 1220m a.s.l. ; uploaded by florecitasil (#69137716). OAXACA: One specimen observed 19 September 2021; 17.0860°N, - 96.7012°W; 1597m a.s.l. ; uploaded by cskywalker (#95463829).

Figures

FIGURE 26. Map of Mexico pointing the iNaturalist records of the invasive terrestrial flatworms, excluding hammerhead flatworms (for those see de Luna et al. 2022): Caenoplana coerulea (blue circle), Dolichoplana carvalhoi (red hexagon), Dolichoplana striata (yellow hexagons), Endevouria septemlineata (orange squares), Parakontikia ventrolineata (green triangles), and Rhynchodemus sylvaticus (pink hexagon).

FIGURES 11–16. Illustrations of invasive species of Caenoplanini found in Mexico: dorsal (11) and ventral (12) aspect of Caenoplana coerulea; dorsal (13) and ventral (14) aspect of Endeavouria septemlineata; dorsal (15) and ventral (16) aspect of Parakontikia ventrolineata.