An Introduction to the Study of Insects |
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Page 69
... cerci and a median caudal filament ( Figures 6-2 and 6-3 ) ; body usually covered with scales ; compound eyes usually present ; tarsi 3- to 5 - segmented ( suborder Ectógnatha ) .2 Only 2 caudal filaments or appendages ( the cerci ) ...
... cerci and a median caudal filament ( Figures 6-2 and 6-3 ) ; body usually covered with scales ; compound eyes usually present ; tarsi 3- to 5 - segmented ( suborder Ectógnatha ) .2 Only 2 caudal filaments or appendages ( the cerci ) ...
Page 121
... cerci with 1 or 2 segments ; Rs reduced or absent ; southwestern United States 3 ( 1 ) . 3 ' . Ocelli present ... cerci very long Hodotermítidae Hind femora not , or only slightly , swollen ; antennae with fewer than 23 segments ; cerci ...
... cerci with 1 or 2 segments ; Rs reduced or absent ; southwestern United States 3 ( 1 ) . 3 ' . Ocelli present ... cerci very long Hodotermítidae Hind femora not , or only slightly , swollen ; antennae with fewer than 23 segments ; cerci ...
Page 127
... Cerci short , no longer than greatest width of pronotum Cerci long , much longer than greatest width of pronotum 3 6 3 ( 2 ) . 3 ' . Front wings with 10 or more costal cross - veins ; 2 ocelli ; no forked vein arising from basal anal ...
... Cerci short , no longer than greatest width of pronotum Cerci long , much longer than greatest width of pronotum 3 6 3 ( 2 ) . 3 ' . Front wings with 10 or more costal cross - veins ; 2 ocelli ; no forked vein arising from basal anal ...
Contents
Insects and Their Ways | 1 |
The Anatomy and Physiology of Insects | 6 |
The Development and Metamorphosis of Insects | 37 |
Copyright | |
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3-segmented abdomen abdominal segment absent adults anal animals antennae antennal segment apex aphids apical appendages aquatic bark basal base beak bees beetles body bristles brownish bugs chelicerae color common compound eyes costa Courtesy of USDA coxae cross-vein Cu₁ Cu₂ Diptera discal cell eggs elongate elytra Fabricius FAMILY female femora Figure flattened flea flies front coxae front wing gall genus grasshoppers head Hemiptera hind coxae hind wings host Hymenoptera inch insects instar labium larvae larvae feed leaf legs Lepidoptera Linn lobe M₁ M₂ male mandibles margin maxillary palpi membrane mesonotum millimeters millimeters in length moths mounted mouth nests nymphs ocelli Odonata oval ovipositor pair parasitic pests pinned plants posterior predaceous pronotum prothorax pupa pupate R₁ sclerite scutellum slender species occur specimens spiders spines Subfamily suborder Superfamily suture tarsal segment tarsi termites thorax tibiae variable vein venation ventral wasps wingless