LA3IU1': Lower lip; somewhat cc-ni lex 



In structure. (See Fig. 32) 

 LABRULl: Upper lip. (See Fig. ox) 

 Lace bugs 77 

 Lacewlngs 44, 88 

 Lady beetles 73 

 Lagrlldae 68 

 Lagrlid bark beetles 68 

 LAL5:LLATE: As applied to antennae, 



bearing flattened plates. (See Fig. 



29G) 

 Lamelllcorn beetles 59 

 Lampyrldae 48, 62 

 Langurla trlfasclata 68 

 LARVA, -AE: The second stage In an 



Insect's development; follows egg 



stage. (See Fig. 5) 30 

 Laslus nlger amerlcana 45 

 Lepyronla quadrangular is 85 

 Leaf beetles 73 

 Leaf -cutter bees 41, 114 

 Leaf hoppers 23, 40, 85 

 LEAF MriSR: An Insect feeding be- 

 tween the epidermal layers of a 



leaf. 

 Lepldoptera 40, 47 

 Lepidosaphes ulml 86 

 Leplsma saccharina 47 

 Leptinotarsa declmllneata 1 

 Lepyronla quadrangular is 85 

 Lestes uncatus 51 

 Lethocerus amerlcanus 82 

 Llbellula lactuosa 52 

 Libellula pulchella 43 

 Llbellulldae 52 

 Light traps (See Fig. 9) 

 Limnephilus rhombic us 41 

 Llpeurus heterographus 46 

 Llposcells dlvlnatorl'us Mull. 45 

 LIGULA: Central sclerlte or plate 



of labium borne upon the mentum. 



(See Fig. 31) 

 LOBE: Any prominent rounded process 



on a margin. 

 LOCALITY LABEL: To show where and 



when caught. 29 

 Locustidae 53 

 Locusts 53, 83 

 Long-headed flies 102 

 Longhorned woodborlng beetles 72 

 Long-legged flies 102 

 Lucanidae 60 

 Lucldota atra 62 

 Lucilia caesar 106 

 Luna moth 94 

 Lycaenldae 91 

 Lycidae 62 

 Lygaeidae 49, 80 

 Lygus pratensls 78 

 Lymantrlidae 96 



MAGGOTS: The legless larvae of files. 



Magic icada septendecim 83 



MALE: Commonly designated by the 



symbol cT (Mars' arrow) 

 Mallophaga 46 

 MANDIBLE: The lateral upper Jaw of 



a biting insect. 

 Mantldae 54 

 Mantlspa interrupta 87 



I.:antlspldae 87 



MARGINAL: Of, belonging to, or near 

 the margin; edge. 



MARGINED, -ATED: Bounded by an elevat- 

 ed attenuated margin; when the margin 

 is edged by a flat border. 



Maxilla (See Fig. 31) 



I.IAXILLARY PALPI: The first pair of 

 palpi; borne on the maxilla. (See 

 Fig. 31) 



May beetles 59 



May flies 42 



Meadow-browns 89 



Mealy bugs 86 



Measuring worms 95 



Mecoptera 43 



Megalodacne fasclata 72 



Megachlle mendica 41 



Megachllldae 41, 114 



Megarhyssa lunator 110 



Melandryldae 69, 71 



Melandryld bark beetles 69, 71 



Melanolestes picipes 81 



Melanoplus dlfferentalls 54 



I.Ielittia satyrinlformls 92 



Meloidae 70 



Melophagus ovlnus 97 



Melyridae 63 



Membracldae 84 



Li:;i'JTU]:1: A labial sclerlte bearing 

 the movable parts; attached to and 

 sometimes fused with the submentum; 

 In Coleoptera, what Is usually call- 

 ed the mentum Is the sub-mentum. 

 (See Fig. 32) 



ISSOSTERNUlu-A: The under side of the 

 mesothorax. (See Fig. 31) 



MESOTHORAX: The middle portion of the 

 thorax. Bears the middle pair of 

 legs and the first pair of wings. 

 (See Fig. 31) 



Metamorphosis 5 



Metallic iVoodborers 67 



l^TASCUTELLUl^: Fold back of and 

 under scutellum of flies. (See Fig, 

 221) 



METASTERNUI.:-A: The under side of the 

 metathorax. (See Fig. 31) 



LUTATHORAX: The hind portion of the 

 thorax. Bears the hind legs and 

 second pair of wings; variably dis- 

 tinct; sometimes closely united with 

 the mesothorax and sometimes appear- 

 ing as a portion of the abdomen. 

 (See Fig. 31) 



retopildae 106 



Microcentrum rhorabl folium 53 



Midges 99 



Mllk^.veed butterflies 90 



Mills, Harlow B. 48 



MM: Millimeter. (There are approxi- 

 mately 25 mm. to an inch). (See page 

 116) 



Mlnuten nadeln 27 



Mlrldae 78 



Mole cricket 53 



Molting 4 



Monarch butterflies 90 



Monocrepldlus vespertlnus 67 



Mordella oculata 71 



Mordellldae 71 



136 



