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Grasshoppers: Their Biology, Identification and Management.
User Handbook.

Section VI: Decision Support Tools (7 of 11)
 

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Late-Hatching Species
(To be adults by late summer.)

Chloealtis conspersa 32-G
Adult: Lateral pronotal area of male entirely black. Female with reduced wings. (See fig. 7, p. 4, description of wings.) Sides of female pronotum lighter colored. Black knee in both sexes.

Drawing of Chloealtis conspersa.


 

 

Encoptolophus costalis 33-M
Adult: Corresponding bands on forewing and femur. A small late bandwing. Inner surface of hind femora dark bluish-black on the basal half and with a dark band toward the apex.

Immature: Similar to Chortophaga sp. in color and morphology, but this species is in an advanced instar stage when Chortophaga hatches.

 

Drawing of Encoptolophus costalis.


 

 

Arphia pseudonietana 34-M
Adult: A late-season adult bandwing. Color bronze, almost black. Color varies from grayish-brown to black, mottled appearance. Usually a red wing disk with a black band.

Immature: This species is usually at least two instars ahead of Arphia conspersa near the middle of July.

Drawing of Arphia pseudonietana.


 

 

Metator pardalinus 35-M
Adult: A large bandwing grasshopper. Females are almost robust. Males are smaller and have dark blue abdomen, tibia, and inner femur. Dark spots on forewing.

Immature: Early instars resemble Trachyrhachys, but this species does not have any dense hair on the femora.

Drawing of Metator pardalinus.


 

 

Derotmema haydeni 36-M
Adult: A small- to medium-sized bandwing grasshopper with large, bulbous eyes and a very wrinkled pronotum and speckled spots quite evident in the forewing.

Immature: Early instars have four shiny black spots on the front of the head and two on the pronotum. All instars have two rust spots on each ventral abdominal segment.

Drawing of Derotmema haydeni.


 

 

Dissosteira carolina 37-M
Adult: Adults are known as road dusters. The hind wing is black with a pale yellow border. This species has the largest wingspan of our grasshoppers. Mimics local soil coloration.

Immature: Early instars possess a morphology much like Arphia sp. except the body color is like wet beach sand. Later Dissosteirainstars are much larger, and the pronotum is shaped like a buffalo's hump.

Drawing of Dissosteira carolina.


 

 

Hadrotettix trifasciatus 38-M
Adult: *Forewing reddish-brown with conspicuous dark crossbands; apex clear. *Inner surface of hind femora a deep blue color on the basal two-thirds followed by a white band and a dark apex. Hind tibia orange.

Immature: All later instars exhibit the above femoral coloration. Stout appearance.

Drawing of Hadrotettix trifasciatus.


 

 

Spharagemon equale 39-M
Adult: *General body color is a speckled, sandy look with a bright orange inner femora and tibia. *Pronotum with the median carina slightly elevated, usually cut once. Forewing banded.

Immature: *All later instars exhibit the basic adult coloration. On first instars, hind tibia dark.

Drawing of Spharagemon equale.


 

 

Spharagemon collare 40-G
Adult: *General body color is a speckled, sandy look with a yellowish femora and orange tibia. *Pronotum with the median carina raised into a high crest and cut deeply by one sulcus. Forewing not noticeably banded.

Immature: *All later instars exhibit the basic adult coloration. On first instars, hind tibia dark.

Drawing of Spharagemon collare.


 

 

Chorthippus curtipennis 41-G
Adult: Body color usually varies from green to a yellowish brown with the ventral portion yellowish. The hind femora of the males have a black knee and are longer than the abdomen. The lateral foveolae are visible from above. Female wings short. Male wings reach end of abdomen.

Immature: Quite variable in body striping and color. First and second instars have distinct brown stripe from eye well onto the abdomen.

Drawing of Chorthippus curtipennis.


 

 

Orphulella speciosa 42-G
Adult: *Body color variable, greens and browns with a dark band extending from behind the compound eye to the pronotum. *A dark triangular area inside the rear portion of the lateral carina. Hind femora a brownish tan in color and longer than the abdomen in the males. *A visible depression on the point of the head. Lateral carinae of pronotum cut by one sulcus.

Immature: Possess many of the adult morphological characters.

Drawing of Orphulella speciosa.


 

 

Aeoloplides turnbulli 43-F
Adult: *Stout body with a greenish yellow color. Body widest at the posterior end of the pronotum. Hind tibia blue. Male subgenital plate with a subapical tubercle. Distinctive stripe on head and pronotum. Outer femur distinctively marked with dark chevrons.

Drawing of Aeoloplides turnbulli.


 

 

Oedaleonotus enigma 44-M
Adult: Not found in North Dakota. *Found in California, Nevada, Utah, Idaho, Washington, and Oregon. The anterior edge of the pronotum has a conspicuous cream-colored band giving the appearance of wearing a clergyman's collar. The lower portion of the femora has a thin orange line. The cercus is drumstick shaped. An early hatching species in Idaho.

Immatures: Robust appearance. Distinctive white stripe on middle of pronotum, extends onto abdomen.

Drawing of Oedaleonotus enigma.


 

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