MOSQUITOES 19 



B. Examine the following common species, noting color and 

 color markings in particular. Draw side view of (a), and dorsal 

 view of (d). 



a. Melanolestes picipes the China bedbug. 



b. Melanolestes abdominalis also called the China bedbug. 



c. Reduvius personatus the Eastern kissing bug. 



d. Rasahus biguttatus the two spotted corsair. 



e. Conorhinus sanguisuga the blood-sucking cone-nose. 



EXERCISE 9 



MOSQUITOES 



ORDER DIPTERA, FAMILY CULICIDuE 



With specimens of mosquitoes before you, study them with 

 a hand lens for (A) and with a compound microscope for (B). 



A. a. One pair of membranous wings. 



b. The legs are long and slender. Note the following parts, 

 femur, tibia, and tarsus, the latter segmented. 



c. On the head are located the prominent eyes, the antenna, 

 and proboscis, with its pair of palpi. Note the relative length 

 of the palpi with reference to the proboscis. 



B. a. Examine the wings and body for scales, a feature char- 

 acteristic of the mosquitoes. 



b. Examine the tarsal claws, noting whether they are double 

 or single toothed or not toothed. 



Draw a number of head scales, and the tarsal claws. 



C. Sexual differences. 



a. Examine the antenna of a male and of a female specimen, 

 and note the plumose condition in the former sex. 



D. Characteristics of the Anopheles, or malaria mosquito, as 

 compared with the Culex, or rain-barrel mosquito. 



a. Is there any difference in size? 



