Grasshoppers of the Western U.S.

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dorsal view, pattern variations of pronotal disk

ventral view, shape of eighth abdominal sternum

two egg pods, one opened to show eggs

first instar: BL 6-6.8 mm, FL 3.2-3.8 mm, AS 13

second instar: BL 6.8-8.6 mm, FL 4.6-5 mm, AS 16-17

third instar: BL 9.1-9.9 mm, FL 6.1-6.6 mm, AS 20-21

fourth instar males: BL 13-15 mm, FL 7.8-8.3 mm, AS 22-23;females: BL 11.9-15 mm, FL 8.4-8.6 mm, AS 22-23

fifth instar female: BL 15-18.6 mm, FL 10.5-11.5 mm, AS 24

adult male: BL 15.1-17 mm, FL 9.8-10.7 mm, AS 24

adult female: BL 20-25 mm, FL 12.2-14.6 mm, AS 25

variations of color patterns of pronotal disk

shape of eighth abdominal sternum showing deep clefts

two egg pods, one opened to show eggs

prairie boopie adult male

hind leg of B. gracile with strong barring on the femur

brown form adult female prairie boopie

green form adult female prairie boopie

comparison between the straight light-colored lines of a female prairie boopie (left) and the hourglass-shaped lines of a female ebony grasshopper (right)

first instar: BL 6.4-8.1 mm, FL 3.7-4.4 mm, AS 13-14

second instar: BL 9-11 mm, FL 5.3-6.8 mm, AS 16-17

third instar: BL 11-15 mm, FL 9 mm, AS 19-21

fourth instar: BL 12-24 mm, FL 8.4-11.8 mm, AS 21-23

fifth instar: BL 17.8-29 mm, FL 10.4-14.5 mm, AS 23-25

black female fifth instar nymph

adult male: BL 22-22.5 mm, FL 15 mm, AS 24-25

adult female: BL 36-38 mm, FL 19.5-21 mm, AS 25-26

detached wings of male

egg pod and several loose eggs

first instar: BL 9.5-12.5 mm, FL4.6-5 mm, AS 14-16

second instar: BL 12-16.5 mm, FL 6.4-7.6 mm, AS 17-19

third instar: BL 16-22 mm, FL 8.2-10 mm, AS 20

fourth instar: BL 23-24 mm, FL 12-13.5 mm, AS 22

fifth instar: BL 34.5-47 mm, FL 16-19.5 mm, AS 23

adult male: BL 43-52 mm, FL 24.5-26 mm, AS 23

adult female: BL 44.5-55 mm, FL 21-24 mm, AS 23-24

inner face of female hindleg (top) and the larger male hindleg (bottom)

colored stripes and knobs of pronotum

egg pod and exposed eggs

first instar: BL 5.5-6.9 mm, FL 3.2-3.7 mm, AS 13

second instar: BL 6.5-10 mm, FL 4.4-5 mm, AS 17-19

third instar: BL 8.9-12 mm, FL 5.9-7.3 mm, AS 20-22

fourth instar: BL 14.5-18 mm, FL 8.5-10.5 mm, AS 22-24

adult male: BL 14-16 mm, FL 10.2-10.8 mm, AS 23-24

adult female: BL 18.5-21 mm, FL 11.5-12.4 mm, AS 23-24

g. 7: dorsal view of head and pronotum of female

third instar nymph of uncommon color form

two egg pods, one opened to show eggs

first instar: BL 4.2-5.5 mm, FL 2.4-2.7 mm, AS 11-13

second instar: BL 5-7.1 mm, FL 3.4-3.8 mm, AS 14-16

third instar: BL 7.3-8.9 mm, FL 4.7-5.2 mm, AS 18

fourth instar: BL 10-14.15 mm, FL 6-7.2 mm, AS 20-22

fifth instar: BL 14-20 mm, FL 8.4-9.9 mm, AS 22-25

adult male: BL 19.5-21.5 mm, FL 10.5-11.8 mm, AS 25-29

adult female: BL 22-25 mm, FL 12.2-13.6 mm, AS 24-26

forewing (tegmen) and hindwing

note lateral foveola on head and carinae on pronotum

egg pod and four loose eggs

second instar

third instar

fifth instar

adult male: BL 16-21 mm, FL 10-12 mm, AS 23-25

adult female: BL 22-28 mm, FL 13-16 mm, AS 23-25

first instar: BL 5.7-6.6 mm, FL 2.9-3.1 mm, AS 13-14

second instar: BL 6.8-8 mm, FL 4.3-4.6 mm, AS 17-18

third instar: BL 9.5-10.4 mm, FL 5.8-6.3 mm, AS 20-21

fourth instar: BL 12-16 mm, FL 7.9-10.2 mm, AS 22-24

adult male: BL 15.3-16 mm, FL 9.6-10 mm, AS 23-26