Resource Information

     
A Description of Common Aphids Found in Hawaii  
     

Descriptions are based upon a workshop given by Manya B. Stoetzel of the USDA Systematic Entomology Laboratory on June 15-19, 1992.

The following descriptions apply to adult aphids. For information on how to identify an adult aphid from an immature aphid, click here.

Available Descriptions:

Acyrthosiphon -(Metopolophium) - dirhodum (Walker)
Acrythosiphon -(Rhodopium)- porosum (Sanderson)
Aphis craccivora (Koch)
Aphis gossypii (Glover)
Aphis spiraecola (Patch)
Aulacorthum solani (Kaltenbach)
Brachycaudus helichrysis (Keltenbach)
Brevicoryne brassicae (L.)
Cavariella aegopodii (Scopoli)
Cerataphis spp.
Cinara spp.
Dactynotus -(Uroleucon)- spp.
Macrosiphoniella spp.
Macrosiphum euphorbiae (Thomas)
Mysus persicae (Sulzer)
Pentalonia nigronervosa (Coquerel)
Rhopalosiphum maidis (Fitch)
Rhopalosiphum padi (L.)
Periphyllus spp. - dimorphs

     

Acyrthosiphon -(Metopolophium) - dirhodum (Walker)

cauda
pale, long, with 3-4 pairs of lateral setae and 1-3 dorsal setae cornicles
pale with blackish tip, long, cylindrical, no reticulations


antenna
aptera - III with 1-2 secondary sensoria; pale
alata - III with 16-28 secondary sensoria; IV with no secondary sensoria; blackish beyond base of III

abdomen
in life, may have dark green strip down dorsum

wings
no markings

frontal tubercles
prominent

Acrythosiphon -(Rhodopium)- porosum (Sanderson)

cauda
pale, long, with 2 pairs of lateral setae

cornicles
pale, long, cylindrical, no reticulations

antenna
aptera - III with 5-13 secondary sensoria; dusky beyond base of III
alata - III with 12-20 secondary sensoria; IV with 6-9 secondary sensoria; black beyond base of III


abdomen
no dorsal markings

wings
no markings

frontal tubercles
prominent

Aphis craccivora (Koch)
cauda
black, medium length, with 3-4 pairs of lateral setae, and 1 dorsal seta
aptera
alata

cornicles
black, no reticulations

antenna
aptera - III with no secondary sensoria, pale
alata - III with 4-7 secondary sensoria and at least one noticeably larger than others, IV with no secondary sensoria pale

abdomen
aptera - dorsum with black patch which is variable in size
alata - dorsum with black bands on all segments

frontal tubercles
not prominent
aptera
alata

legs
color - white (contrasting with black body) with dark tips

wings
no markings

Aphis gossypii (Glover)

cauda
pale to dusky, medium length, with 2-4 pairs of lateral setae (often curved at 90 angle)

cornicles
black, no reticulations

antenna
aptera - III with no secondary sensoria; pale to dusky
alata - III with 3-12 secondary sensoria (all same size); IV with 0-2 secondary sensoria, dusky

abdomen
aptera - no dorsal markings, reticulated pattern on dorsum
alata - no black, dorsal bands on segments I to III and usually none on IV and V

frontal tubercles
not prominent
aptera
alata

legs
color - pale with dark tips

wings
no markings

Aphis spiraecola (Patch)

cauda
black, medium length, with 3-5 pairs of lateral setae and 3 dorsal setae

cornicles
black, no reticulations

antenna
aptera - III with no secondary sensoria; pale
alata - III with 4-10 secondary sensoria; IV with 0-4 secondary sensoria; pale

abdomen
no dorsal markings

wings
no markings

frontal tubercles
not prominent


Aulacorthum solani (Kaltenbach)

cauda
pale, long, with 3 pairs of lateral setae and 1 dorsal seta

cornicles
pale with blackish tip, long, cylindrical, with distinct flange and a few indistinct transverse reticulations

antenna
aptera - III with 1-6 secondary sensoria; pale with black tips on end of segments
alata - III with 8-13 secondary sensoria; IV with no secondary sensoria dusky beyond base of III

abdomen
alata - broken dorsal dashes on segments

frontal tubercles
prominent
aptera
alata

wings
no markings

Brachycaudus helichrysis (Keltenbach)

cauda
pale, short, broadly rounded, with 2-3 pairs of lateral setae and sometimes 1 dorsal seta
aptera
alata

cornicles
pale to black, short, smooth, with small flange
aptera
alata

antenna
aptera - III with no secondary sensoria; pale
alata - III with 20-33 secondary sensoria; IV with 1-12 secondary sensoria; blackish

abdomen
aptera - pale, dorsal surface granular
alata - dorsum with black patch

frontal turbercles
extending beyond venter
aptera
alata

legs
color - pale to dusky

wings
no markings

Brevicoryne brassicae (L.)

cauda
pale to dusky, short, triangular, with 2-3 pairs of lateral setae and 2-3 dorsal setae
aptera
alata

cornicles
dusky, slightly swollen, short
aptera
alata

antenna
aptera - III with no secondary sensoria; III longer than IV + V; pale to dusky
alata - III with 40-50 almost tuberculate secondary sensoria; IV with no secondary sensoria; III longer than IV + V; dusky

abdomen
aptera - broken, dark, dorsal bands on all segments
alata - broken, dark, dorsal bands on all segments

frontal tubercles
not prominent
aptera
alata

legs
color - dusky

wings
no markings

Cavariella aegopodii (Scopoli)

cauda
pale to dusky, medium, with 2 pairs of lateral setae and I dorsal seta

cornicles
pale to dusky, clavate, with oblique flange

antenna
aptera - III with no secondary sensoria; pale with black tips on end of segments
alata - III with 14-23 secondary sensoria; IV with no secondary sensoria; black

abdomen
aptera - pale, dorsal surface punctate
alata - broken, dark, dorsal band on all segments

supracaudal process
present on abdominal VIII
aptera - as long as cauda
alata - as long as wide

frontal tubercles
not prominent
aptera
alata

legs
color - pale to dusky with tips of tibiae black in alata

wings
no markings

Cerataphis spp.

cauda
knobbed, anal plate bilobed

cornicles
ring on a raised base

antenna
aptera - 4-segmented; III with no secondary sensoria
alata - 5-segmented; annular secondary sensoria on III, IV, and V

abdomen
aptera - aleyrodiform
vertex in aptera with two hornlike projections

wings
no markings

Cinara spp.

cauda
always broader than long, semilunar or rounded

cornicles
rim on conelike or mammiform hairy base

antenna
aptera - hairy; secondary sensoria protruding, variable on III, IV, and V
alata - hairy; secondary sensoria protruding, variable on III, IV, and V

abdomen
hairy

frontal tubercles
lacking, head hairy
aptera
alata

wings
no markings

Dactynotus -(Uroleucon)- spp.

cauda
pale or dark, long, with several pairs of lateral and dorsal setae
aptera
alata

cornicles
long, cylindrical, reticulated area less than 1/3 of total length; entirely dark or dark with bases pale

antenna
aptera - secondary sensoria variable on III; usually dusky to black
alata - secondary sensoria variable on III; usually dusky to black

abdomen
abdominal setae usually on pigmented scleroites

frontal tubercles
prominent
aptera
alata

rostrum
broad to slender, but never needlelike

legs
color - tarsi and tips of femor usually black; often entire tibiae black

Macrosiphoniella spp.

cauda
dusky to black, long, with several pairs of lateral and dorsal setae

cornicles
long, cylindrical, reticulated area 1/3 or more of total length entirely dark or dark with bases pale

antenna
aptera - secondary sensoria variable on III, rarely on IV; usually dusky to black
alata - secondary sensoria variable on III, rarely on IV; usually dusky to black

abdomen
abdominal setae usually on pigmented scleroites

rostrum
slender to stiletto shaped, said to be needlelike

frontal tubercles
diverging

legs
tarsi and tips of femora usually black; often entire tibiae black

Macrosiphum euphorbiae (Thomas)

cauda
pale, long, with 4-5 pairs of lateral setae and 1-2 dorsal setae

cornicles
long, cylindrical, reticulated area about equal to length of hind tarsal II and often appears to be “indented”
aptera - pale with dusky tip

alata - pale only at base

antenna
aptera - III with 2-6 secondary sensoria, pale with dusky tips on III, IV, V and VI entirely dusky
alata - III with 10-18 secondary sensoria; IV with no secondary sensoria, black beyond base of III

abdomen
no dorsal markings

frontal tubercles
prominent
aptera
alata

legs
pale with tips of tibiae dusky

wings
no markings

Mysus persicae (Sulzer)

cauda
pale, medium, with 3 pairs of lateral setae

cornicles
pale to dusky, medium, cylindrical to slightly swollen

antenna
aptera - III with no secondary sensoria, pale
alata - III with 2-15 secondary sensoria; IV with no secondary sensoria

abdomen
aptera - pale, dorsal surface finely rugose
alata - dorsum with black patch

frontal tubercles
very prominent
aptera
alata

rostrum
last rostral segment with 2-3, rarely 4, lateral setae

legs
pale with tarsi and tips of tibiae dusky

wings
no markings

Pentalonia nigronervosa (Coquerel)

cauda
pale, short, with 2 pairs of lateral setae anterior to decided constriction

cornicles
pale to dusky, medium, cylindrical to slightly swollen

antenna
aptera - III with no secondary sensoria; pale
alata - III with 8-12 secondary sensoria; IV with 12-15 secondary sensoria; V with 4-6 sensoria; blackish

abdomen
no markings, but heavily imbricated

wings
all veins broadly banded
radius coalesced with anterior branch of medius

frontal tubercles
well developed

legs
pale with tips of tibiae dusky

Rhopalosiphum maidis (Fitch)

cauda
dusky, short, with broad neck and rounded tip; 2 (rarely 3) pairs of lateral setae, 1 dorsal
cornicles
dusky, short, imbricated, slightly swollen, small flange

antenna
aptera - III with no secondary sensoria; pale to dusky
alata - III with 14-22 secondary sensoria; IV with 0-8 secondary sensoria; V with 0-3 secondary sensoria; dusky

abdomen
aptera - no dorsal markings
alata - no black; dorsal bands on segments I-III and usually none on IV and V

frontal tubercles
not prominent
aptera
alata

legs
dusky

wings
no markings

Rhopalosiphum padi (L.)

cauda
dusky, short, with broad neck and rounded tip; 2-3 pairs of lateral setae and sometimes 1 dorsal seta

cornicles
dusky, short, only lightly imbricated, slightly clavate

antenna
aptera - III with no secondary sensoria; dusky
alata - III with 11 - 23 secondary sensoria; IV with 3- 9 secondary sensoria; V with 1-2 secondary sensoria; dusky

abdomen
aptera - dorsum reticulated
alata - no dorsal markings

frontal tubercles
not prominent
aptera
alata

legs
dusky

wings
no markings

Periphyllus spp. - dimorphs

cauda
rounded

cornicles
not usually evident

antenna
4-segmented; no secondary sensoria

abdomen
P. acericola (Walker) - marginal setae long
P. testudinaceus (Fernie) - marginal setae flabellate
P. californiensis (Shinji) - marginal setae flabellate