Below is a working checklist of Mount Desert Island's orthopterans. Please send corrections and updates to info@vfthomas.com. Photographs are welcome. Thank you.
| Suborder | Family (Subfamily) | Genus | Specific Epithet | authority | common name | Source (full citation given after this table) |
| Caelifera | Acrididae (Acridinae) | Stethophyma | gracile | (Scudder) | Northern Sedge Grasshopper | Bar Harbor: Procter (1946, p. 38., "Great Heath" [see note 2 below], Section 16 (= "South of Eagle Lake Road west of Eagle Lake"), "Shea's Corner") as Mecostethus gracilis Southwest Harbor: Procter (1946, p. 38.) as Mecostethus gracilis town?: (Procter 1946, p. 38., "Meadow Brook") as Mecostethus gracilis |
| Caelifera | Acrididae (Acridinae) | Stethophyma | lineatum | (Scudder) | Stiped Sedge Grasshopper | Bar Harbor: Procter (1946, p. 38., "Meadow near Salisbury Cove", "Breakneck Pond", Section 20 (= "Edge of swamp back of Salisbury Cove")) as Mecostethus lineatus Southwest Harbor: Procter (1946, p. 38., Section 17 (= "Marsh south of road between Southwest Harbor and McKinley")) as Mecostethus lineatus |
| Caelifera | Acrididae (Gomphocerinae) | Chloealtis | conspersa | Harris | Sprinkled Grasshopper | Mount Desert: Procter (1946, p. 38., "Long Pond" [see note 1 below]) |
| Caelifera | Acrididae (Gomphocerinae) | Chorthippus | curtipennis | (Harris) | Marsh Meadow Grasshopper | town not given: Procter (1946, p. 38.) |
| Caelifera | Acrididae (Gomphocerinae) | Orphulella | speciosa | (Scudder) | Pasture Grasshopper | Bar Harbor: Procter (1946, p. 38., "Eden", "Penikese") |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | bivittatus | (Say) | Two-striped Grasshopper | Bar Harbor: Procter (1946, p. 40., "Bar Harbor Narrows", Section 20 [= "Edge of swamp back of Salisbury Cove"]) Southwest Harbor: Procter (1946, p. 40.) town?: Procter (1946, p. 40., "Station F38") |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | borealis | (Fieber) | Northern Meadow Grasshopper | Bar Harbor: Procter (1946, p. 39.) |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | fasciatus | (Walker) | Huckleberry Grasshopper | Bar Harbor: Procter (1946, p. 39.) Southwest Harbor: Procter (1946, p. 39.) town?: Procter (1946, p. 39., "Great Clearing") |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | femurrubrum | (DeGeer) | Red-legged Grasshopper | Bar Harbor: Procter (1946, p. 39., Sections 16 [= "South of Eagle Lake Road west of Eagle Lake"] and 20 [= "Edge of swamp back of Salisbury Cove"]) Southwest Harbor: Procter (1946, p. 39., Section 17 [= "Marsh south of road between Southwest Harbor and McKinley"]) town?: Procter (1946, p. 39., "Station F173 and F184") |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | keeleri ssp. luridus | Thomas / (Dodge) | Broad-necked Locust | Bar Harbor: Procter (1946, p. 39., Section 20 [= "Edge of swamp back of Salisbury Cove"]) as Melanoplus luridus |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | mancus | (Smith) | Smith's Locust | Bar Harbor: Procter (1946, p. 39., "top of Green Mt." [now called Cadillac Mountain]) |
| Caelifera | Acrididae (Melanoplinae) | Melanoplus | mexicanus | (Saussure) | Lesser Migratory Locust | Bar Harbor: Procter (1946, p. 39., "from top of Green Mt. [now called Cadillac Mountain] to sea level") as Melanoplus mexicanus ssp. atlanis [sic] [see note 3 below] |
| Caelifera | Acrididae (Oedipodinae) | Camnula | pellucida | (Scudder) | Clear-winged Grasshopper | town not given: Procter (1946, p. 39.) |
| Caelifera | Acrididae (Oedipodinae) | Chortophaga | viridifasciata | (DeGeer) | Green-striped Grasshopper | Bar Harbor: Procter (1946, p. 38., "Salisbury Cove") |
| Caelifera | Acrididae (Oedipodinae) | Dissosteira | carolina | (L.) | Carolina Grasshopper | town not given: Procter (1946, p. 39.) |
| Caelifera | Acrididae (Oedipodinae) | Trimerotropis | verruculata | (Kirby) | Cracker Grasshopper | Bar Harbor: Procter (1946, p. 39., "top of Green Mt. [now called Cadillac Mountain] and so on down") as Circotettix verruculatus [see note 3 below] |
| Caelifera | Acrididae (Podisminae) | Booneacris | glacialis | (Walker) | Northern Wingless Grasshopper | Bar Harbor: Procter (1946, p. 39., "[n]ear Witches' Hole") as Podisma glacialis |
| Caelifera | Tetrigidae (Batrachideinae) | Tettigidea | lateralis ssp. lateralis | (Say) | Sedge Pygmy Locust | town?: Procter (1946, p. 40., Station F286) as Tettigidea parvipennis (Harris) [see note 3 below] |
| Caelifera | Tetrigidae (Tetriginae) | Nomotettix | cristatus ssp. cristatus | (Scudder) | Northern Crested Pygmy Grasshopper | Bar Harbor: Procter (1946, p. 40.) Southwest Harbor: Procter (1946, p. 40.) town?: Procter (1946, p. 40., "Stations F31, F48, and F210") |
| Caelifera | Tetrigidae (Tetriginae) |
Tetrix | granulata | (Kirby) | Broad-shouldered Angulate Pygmy Grasshopper | Bar Harbor: Procter (1946, p. 40.) as Acrydium subulatum ssp. granulatum [see note 3 below] and Procter (1946, p. 40., "Witches Hole") as Acrydium granulatum ssp. granulatum [see note 3 below] Southwest Harbor: Procter (1946, p. 40., "Beech Mt., 800 ft.") as Acrydium granulatum var. incurvatum [see note 3 below] |
| Caelifera | Tetrigidae (Tetriginae) |
Tetrix | ornata | (Say) | Ornate Pygmy Grasshopper | Bar Harbor: Procter (1946, p. 40.) as Acrydium ornatum [see note 3 below] |
| Caelifera | Tetrigidae (Tetriginae) |
Tetrix | subulata | (L.) | Slender Pygmy Grasshopper | town?: Procter (1946, p. 40., "Bay Shore Drive") as Acrydium subulatum [see note 3 below] |
| Ensifera | Gryllacridae (Rhaphidophoridae) | Ceutophilus | brevipes | Scudder | Short-legged Cave-cricket | Bar Harbor: Procter (1946, p. 41., "Corfield") |
| Ensifera | Gryllacridae (Rhaphidophoridae) | Ceutophilus | maculatus | Harris | Spotted Cave-cricket | town not given: Procter (1946, p. 40.) |
| Ensifera | Gryllacridae (Rhaphidophoridae) | Ceutophilus | neglectus | Scudder | Yellow Cave-cricket | Mount Desert: Procter (1946, p. 41.) |
| Ensifera | Gryllacridae (Rhaphidophoridae) | Ceutophilus | nigricans | Scudder | Yellow-bellied Cave-cricket | Bar Harbor: Procter (1946, p. 41.) |
| Ensifera | Gryllacridae (Rhaphidophoridae) | Ceutophilus | terrestris | Scudder | Woodland Cave-cricket | Mount Desert: Procter (1946, p. 41., "Long Pond" [see note 1 below]) |
| Ensifera | Gryllidae (Gryllinae) | Gryllus | assimilis ssp. granulatum | (Fabricius) | Common Field-cricket | Mount Desert: Procter (1946, p. 41., "Little Round Pond") |
| Ensifera | Gryllidae (Nemobiinae) | Alloemobius | fasciatus ssp. fasciatus | (DeGeer) | Striped Grass-cricket | Bar Harbor: Procter (1946, p. 41., "Penikese") as Nemobius faciatus ssp. fasciatus town(s)?: Procter (1946, p. 41., "Narrows", "Bay Shore Drive") as Nemobius fasciatus ssp. fasciatus |
| Ensifera | Gryllidae (Nemobiinae) | Allonemobius | fasciatus ssp. socius | (DeGeer) / Scudder | a Grass-cricket | town not given: Procter (1946, p. 41.) as Nemobius fasciatus ssp.socius |
| Ensifera | Gryllidae (Nemobiinae) | Eunemobius | carolinus | (Scudder) | Carolina Ground Cricket | Bar Harbor: Procter (1946, p. 41.) as Nemobius carolinus |
| Ensifera | Gryllidae (Nemobiinae) | Neonemobius | palustris | (Blatchley) | Sphagnum Cricket | Bar Harbor: Procter (1946, p. 41., "Witch Hole Pond") Tremont: Procter (1946, p. 41.) as Nemobius palustris |
| Ensifera | Gryllidae (Oecanthinae) | Oecanthus | nigricornis | Walker | Dusky Tree-cricket | Bar Harbor: Procter (1946, p. 41., Section 15 [= "Road Town Hill to Indian Point"]) |
| Ensifera | Gryllidae (Oecanthinae) | Oecanthus | pini | Beutenmuller | Pine Tree-cricket | Bar Harbor: Procter (1946, p. 41., "opposite Penikese") |
| Ensifera | Gryllidae (Oecanthinae) | Oecanthus | quadripunctatus | Beutenmuller | Four-spotted Tree-cricket | Bar Harbor: Procter (1946, p. 41., "opposite Penikese") |
| Ensifera | Tettigoniidae (Conocephalinae) | Conocephalus | fasciatus | (DeGeer) | Slender Meadow Grasshopper | Southwest Harbor: Procter (1946, p. 38.) town?: Procter (1946, p. 38., "Station F184") |
| Ensifera | Tettigoniidae (Conocephalinae) | Conocephalus | brevipennis | (Scudder) | Short-winged Meadow Grasshopper | town not given: Procter (1946, p. 38.) |
| Ensifera | Tettigoniidae (Conocephalinae) | Orchelimum | gladiator | Brunner | Meadow Grasshopper | Bar Harbor: Procter (1946, p. 37., "Meadow south of Eden", "Penikese") Mount Desert: Procter (1946, p. 37.) |
| Ensifera | Tettigoniidae (Conocephalinae) | Orchelimum | vulgare | Harris | Meadow Grasshopper | town not given: Procter (1946, p. 38.) |
| Ensifera | Tettigoniidae (Copiphorinae) | Neoconocephalus | ensiger | Harris | Sword Bearer Conehead | Bar Harbor: Procter (1946, p. 37., "Section 26" (= "[a]bandoned farm on road to Norway Drive, south of Shea's corner")) |
| Ensifera | Tettigoniidae (Phaneropterinae) | Scudderia | furcata ssp. furcata | Brunner | Fork-tailed Katydid | town not given: Procter (1946, p. 37.) |
| Ensifera | Tettigoniidae (Phaneropterinae) | Scudderia | curvicauda ssp. borealis | (DeGeer) / Rehn & Hebard | Northern Curve-tailed Katydid | Mount Desert: Procter (1946, p. 37.) |
| Ensifera | Tettigoniidae (Phaneropterinae) | Scudderia | pistillata | Brunner | Broad-winged Katydid | town not given: Procter (1946, p. 37.) |
| Ensifera | Tettigoniidae (Phaneropterinae) | Scudderia | texensis | Saussure & Pictet | Texan Bush Katydid | town not given: Procter (1946, p. 37.) |