Insect Classification Exam 2 Flashcards
(298 cards)
Hemipteroid Orders
Psocoptera, Pthiraptera, Hemiptera, and Thysanoptera
Hemipteroid suborders
Psocodea (Psocoptera and Phthiraptera) and Condylognatha (Hemiptera and Thysanoptera)
Hemiptera charateristics
Piercing-sucking beak, 4 piercing stylets, no palps
Hemiptera suborders
Sternorrhynca, Auchenorrhynca, and Heteroptera
Sternorrhynca
Hemipteran suborder: psyllids, scales, whiteflies, and aphids
Sternorrhynca characteristics
Psyllids, scales, whiteflies, and aphids; beak arises from posterior margin of head/between front coxae, antennae long and filiform, tarsi 1-2 segmented
Auchenorrhynca
Hemipteran suborder: cicadas, plant/leafhoppers
Auchenorrhynca characteristics
Cicadas, plant/leafhoppers; beak arises from posterior margin of head, antennae short and bristle-like, tarsi 3 segmented
Heteroptera
Hemipteran suborder: true bugs
Heteroptera characteristics
True bugs; beak arises from anterior portion of head, basal portion of front wings thick while apical portion membranous
Sternorrhyncha families
Psyllidae (psyllids), Aleyrodidae (whiteflies), Aphididae (aphids), Superfamily Coccoidea (scales)
Psyllidae characteristics
Psyllids; 2-5mm, beak short and 3 segmented, resemble tiny cicadas
Aleyrodidae characteristics
Whiteflies; 2-3mm, resemble tiny moths, wings covered with waxy powder or dust
Aphididae characteristics
Aphids; small, softbodied, cornicles present at posterior end of abdomen, found in large groups
Coccoidea characteristics
Scale; females are usually wingless and legless, males have a single pair of wings and look similar to gnats
Cicadidae characteristics
large, make species specific sounds from tymbals
Membracidae characteristics
Tree-hoppers; 10-12mm, pronotum covers head and extends to abdomen
Cercopidae characteristics
Froghoppers and spittlebugs; under 13mm, hind tibia with 1-2 stout spines laterally and crown of spines at tip
Cicadellidae characteristics
Leafhoppers; under 13mm, hind tibia with 1+ rows of spines but no crown of spines at tip
Delphacidae characteristics
Planthopper; small and may have reduced wings, large flattened spur at base of hind tibia
Dictyopharidae characteristics
Planthoppers; head prolonged into a slender process (usually!)
Fulgoridae characteristics
Lanternflies; 13mm with wingspan 25mm (largest); reticulated anal area of hind wings with many cross veins
Flatidae characteristics
Planthoppers; wedge shaped appearance at rest, numerous cross veins at costal area of front wings
Issidae characteristics
Planthoppers; lacks cross veins in costal areas of front wings